70918520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 165745440

約数和(自身を除く): 94826920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 521, 664, 820, 830, 1042, 1640, 1660, 2084, 2605, 3320, 3403, 4168, 5210, 6806, 10420, 13612, 17015, 20840, 21361, 27224, 34030, 42722, 43243, 68060, 85444, 86486, 106805, 136120, 170888, 172972, 213610, 216215, 345944, 427220, 432430, 854440, 864860, 1729720, 1772963, 3545926, 7091852, 8864815, 14183704, 17729630, 35459260, 70918520]

約数ペア:

[(1, 70918520), (2, 35459260), (4, 17729630), (5, 14183704), (8, 8864815), (10, 7091852), (20, 3545926), (40, 1772963), (41, 1729720), (82, 864860), (83, 854440), (164, 432430), (166, 427220), (205, 345944), (328, 216215), (332, 213610), (410, 172972), (415, 170888), (521, 136120), (664, 106805), (820, 86486), (830, 85444), (1042, 68060), (1640, 43243), (1660, 42722), (2084, 34030), (2605, 27224), (3320, 21361), (3403, 20840), (4168, 17015), (5210, 13612), (6806, 10420)]