5571080

素因数分解:

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

素因数の和:174

約数の個数: 64

約数和(自身を含む): 13305600

約数和(自身を除く): 7734520

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, 632, 790, 820, 860, 1580, 1640, 1720, 1763, 3160, 3239, 3397, 3526, 6478, 6794, 7052, 8815, 12956, 13588, 14104, 16195, 16985, 17630, 25912, 27176, 32390, 33970, 35260, 64780, 67940, 70520, 129560, 135880, 139277, 278554, 557108, 696385, 1114216, 1392770, 2785540, 5571080]

約数ペア:

[(1, 5571080), (2, 2785540), (4, 1392770), (5, 1114216), (8, 696385), (10, 557108), (20, 278554), (40, 139277), (41, 135880), (43, 129560), (79, 70520), (82, 67940), (86, 64780), (158, 35260), (164, 33970), (172, 32390), (205, 27176), (215, 25912), (316, 17630), (328, 16985), (344, 16195), (395, 14104), (410, 13588), (430, 12956), (632, 8815), (790, 7052), (820, 6794), (860, 6478), (1580, 3526), (1640, 3397), (1720, 3239), (1763, 3160)]