25758740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 66769920

約数和(自身を除く): 41011180

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 79, 85, 119, 137, 140, 158, 170, 238, 274, 316, 340, 395, 476, 548, 553, 595, 685, 790, 959, 1106, 1190, 1343, 1370, 1580, 1918, 2212, 2329, 2380, 2686, 2740, 2765, 3836, 4658, 4795, 5372, 5530, 6715, 9316, 9401, 9590, 10823, 11060, 11645, 13430, 16303, 18802, 19180, 21646, 23290, 26860, 32606, 37604, 43292, 46580, 47005, 54115, 65212, 75761, 81515, 94010, 108230, 151522, 163030, 183991, 188020, 216460, 303044, 326060, 367982, 378805, 735964, 757610, 919955, 1287937, 1515220, 1839910, 2575874, 3679820, 5151748, 6439685, 12879370, 25758740]

約数ペア:

[(1, 25758740), (2, 12879370), (4, 6439685), (5, 5151748), (7, 3679820), (10, 2575874), (14, 1839910), (17, 1515220), (20, 1287937), (28, 919955), (34, 757610), (35, 735964), (68, 378805), (70, 367982), (79, 326060), (85, 303044), (119, 216460), (137, 188020), (140, 183991), (158, 163030), (170, 151522), (238, 108230), (274, 94010), (316, 81515), (340, 75761), (395, 65212), (476, 54115), (548, 47005), (553, 46580), (595, 43292), (685, 37604), (790, 32606), (959, 26860), (1106, 23290), (1190, 21646), (1343, 19180), (1370, 18802), (1580, 16303), (1918, 13430), (2212, 11645), (2329, 11060), (2380, 10823), (2686, 9590), (2740, 9401), (2765, 9316), (3836, 6715), (4658, 5530), (4795, 5372)]