66585640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3691}}^1$

素因数の和:3754

約数の個数: 64

約数和(自身を含む): 167469120

約数和(自身を除く): 100883480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 3691, 4510, 7382, 9020, 14764, 18040, 18455, 29528, 36910, 40601, 73820, 81202, 147640, 151331, 162404, 203005, 302662, 324808, 406010, 605324, 756655, 812020, 1210648, 1513310, 1624040, 1664641, 3026620, 3329282, 6053240, 6658564, 8323205, 13317128, 16646410, 33292820, 66585640]

約数ペア:

[(1, 66585640), (2, 33292820), (4, 16646410), (5, 13317128), (8, 8323205), (10, 6658564), (11, 6053240), (20, 3329282), (22, 3026620), (40, 1664641), (41, 1624040), (44, 1513310), (55, 1210648), (82, 812020), (88, 756655), (110, 605324), (164, 406010), (205, 324808), (220, 302662), (328, 203005), (410, 162404), (440, 151331), (451, 147640), (820, 81202), (902, 73820), (1640, 40601), (1804, 36910), (2255, 29528), (3608, 18455), (3691, 18040), (4510, 14764), (7382, 9020)]