85314580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 198852192

約数和(自身を除く): 113537612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 587, 676, 845, 860, 1118, 1174, 1690, 2236, 2348, 2795, 2935, 3380, 5590, 5870, 7267, 7631, 11180, 11740, 14534, 15262, 25241, 29068, 30524, 36335, 38155, 50482, 72670, 76310, 99203, 100964, 126205, 145340, 152620, 198406, 252410, 328133, 396812, 496015, 504820, 656266, 992030, 1312532, 1640665, 1984060, 3281330, 4265729, 6562660, 8531458, 17062916, 21328645, 42657290, 85314580]

約数ペア:

[(1, 85314580), (2, 42657290), (4, 21328645), (5, 17062916), (10, 8531458), (13, 6562660), (20, 4265729), (26, 3281330), (43, 1984060), (52, 1640665), (65, 1312532), (86, 992030), (130, 656266), (169, 504820), (172, 496015), (215, 396812), (260, 328133), (338, 252410), (430, 198406), (559, 152620), (587, 145340), (676, 126205), (845, 100964), (860, 99203), (1118, 76310), (1174, 72670), (1690, 50482), (2236, 38155), (2348, 36335), (2795, 30524), (2935, 29068), (3380, 25241), (5590, 15262), (5870, 14534), (7267, 11740), (7631, 11180)]