1960845640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{80231}}^1$

素因数の和:80302

約数の個数: 64

約数和(自身を含む): 4852431360

約数和(自身を除く): 2891585720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 6110, 12220, 24440, 80231, 160462, 320924, 401155, 641848, 802310, 1043003, 1604620, 2086006, 3209240, 3770857, 4172012, 5215015, 7541714, 8344024, 10430030, 15083428, 18854285, 20860060, 30166856, 37708570, 41720120, 49021141, 75417140, 98042282, 150834280, 196084564, 245105705, 392169128, 490211410, 980422820, 1960845640]

約数ペア:

[(1, 1960845640), (2, 980422820), (4, 490211410), (5, 392169128), (8, 245105705), (10, 196084564), (13, 150834280), (20, 98042282), (26, 75417140), (40, 49021141), (47, 41720120), (52, 37708570), (65, 30166856), (94, 20860060), (104, 18854285), (130, 15083428), (188, 10430030), (235, 8344024), (260, 7541714), (376, 5215015), (470, 4172012), (520, 3770857), (611, 3209240), (940, 2086006), (1222, 1604620), (1880, 1043003), (2444, 802310), (3055, 641848), (4888, 401155), (6110, 320924), (12220, 160462), (24440, 80231)]