79906840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4957}}^1$

素因数の和:5012

約数の個数: 64

約数和(自身を含む): 199906560

約数和(自身を除く): 119999720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4957, 8060, 9914, 16120, 19828, 24785, 39656, 49570, 64441, 99140, 128882, 153667, 198280, 257764, 307334, 322205, 515528, 614668, 644410, 768335, 1229336, 1288820, 1536670, 1997671, 2577640, 3073340, 3995342, 6146680, 7990684, 9988355, 15981368, 19976710, 39953420, 79906840]

約数ペア:

[(1, 79906840), (2, 39953420), (4, 19976710), (5, 15981368), (8, 9988355), (10, 7990684), (13, 6146680), (20, 3995342), (26, 3073340), (31, 2577640), (40, 1997671), (52, 1536670), (62, 1288820), (65, 1229336), (104, 768335), (124, 644410), (130, 614668), (155, 515528), (248, 322205), (260, 307334), (310, 257764), (403, 198280), (520, 153667), (620, 128882), (806, 99140), (1240, 64441), (1612, 49570), (2015, 39656), (3224, 24785), (4030, 19828), (4957, 16120), (8060, 9914)]