79705520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 198469440

約数和(自身を除く): 118763920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 206, 272, 340, 412, 515, 569, 680, 824, 1030, 1138, 1360, 1648, 1751, 2060, 2276, 2845, 3502, 4120, 4552, 5690, 7004, 8240, 8755, 9104, 9673, 11380, 14008, 17510, 19346, 22760, 28016, 35020, 38692, 45520, 48365, 58607, 70040, 77384, 96730, 117214, 140080, 154768, 193460, 234428, 293035, 386920, 468856, 586070, 773840, 937712, 996319, 1172140, 1992638, 2344280, 3985276, 4688560, 4981595, 7970552, 9963190, 15941104, 19926380, 39852760, 79705520]

約数ペア:

[(1, 79705520), (2, 39852760), (4, 19926380), (5, 15941104), (8, 9963190), (10, 7970552), (16, 4981595), (17, 4688560), (20, 3985276), (34, 2344280), (40, 1992638), (68, 1172140), (80, 996319), (85, 937712), (103, 773840), (136, 586070), (170, 468856), (206, 386920), (272, 293035), (340, 234428), (412, 193460), (515, 154768), (569, 140080), (680, 117214), (824, 96730), (1030, 77384), (1138, 70040), (1360, 58607), (1648, 48365), (1751, 45520), (2060, 38692), (2276, 35020), (2845, 28016), (3502, 22760), (4120, 19346), (4552, 17510), (5690, 14008), (7004, 11380), (8240, 9673), (8755, 9104)]