2501414920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 5987520000

約数和(自身を除く): 3486105080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 79, 82, 86, 158, 164, 172, 205, 215, 316, 328, 344, 395, 410, 430, 449, 632, 790, 820, 860, 898, 1580, 1640, 1720, 1763, 1796, 2245, 3160, 3239, 3397, 3526, 3592, 4490, 6478, 6794, 7052, 8815, 8980, 12956, 13588, 14104, 16195, 16985, 17630, 17960, 18409, 19307, 25912, 27176, 32390, 33970, 35260, 35471, 36818, 38614, 64780, 67940, 70520, 70942, 73636, 77228, 92045, 96535, 129560, 135880, 139277, 141884, 147272, 154456, 177355, 184090, 193070, 278554, 283768, 354710, 368180, 386140, 557108, 696385, 709420, 736360, 772280, 791587, 1114216, 1392770, 1418840, 1454311, 1525253, 1583174, 2785540, 2908622, 3050506, 3166348, 3957935, 5571080, 5817244, 6101012, 6332696, 7271555, 7626265, 7915870, 11634488, 12202024, 14543110, 15252530, 15831740, 29086220, 30505060, 31663480, 58172440, 61010120, 62535373, 125070746, 250141492, 312676865, 500282984, 625353730, 1250707460, 2501414920]

約数ペア:

[(1, 2501414920), (2, 1250707460), (4, 625353730), (5, 500282984), (8, 312676865), (10, 250141492), (20, 125070746), (40, 62535373), (41, 61010120), (43, 58172440), (79, 31663480), (82, 30505060), (86, 29086220), (158, 15831740), (164, 15252530), (172, 14543110), (205, 12202024), (215, 11634488), (316, 7915870), (328, 7626265), (344, 7271555), (395, 6332696), (410, 6101012), (430, 5817244), (449, 5571080), (632, 3957935), (790, 3166348), (820, 3050506), (860, 2908622), (898, 2785540), (1580, 1583174), (1640, 1525253), (1720, 1454311), (1763, 1418840), (1796, 1392770), (2245, 1114216), (3160, 791587), (3239, 772280), (3397, 736360), (3526, 709420), (3592, 696385), (4490, 557108), (6478, 386140), (6794, 368180), (7052, 354710), (8815, 283768), (8980, 278554), (12956, 193070), (13588, 184090), (14104, 177355), (16195, 154456), (16985, 147272), (17630, 141884), (17960, 139277), (18409, 135880), (19307, 129560), (25912, 96535), (27176, 92045), (32390, 77228), (33970, 73636), (35260, 70942), (35471, 70520), (36818, 67940), (38614, 64780)]