71616820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10501}}^1$

素因数の和:10552

約数の個数: 48

約数和(自身を含む): 169376256

約数和(自身を除く): 97759436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 10501, 21002, 42004, 52505, 105010, 115511, 210020, 231022, 325531, 462044, 577555, 651062, 1155110, 1302124, 1627655, 2310220, 3255310, 3580841, 6510620, 7161682, 14323364, 17904205, 35808410, 71616820]

約数ペア:

[(1, 71616820), (2, 35808410), (4, 17904205), (5, 14323364), (10, 7161682), (11, 6510620), (20, 3580841), (22, 3255310), (31, 2310220), (44, 1627655), (55, 1302124), (62, 1155110), (110, 651062), (124, 577555), (155, 462044), (220, 325531), (310, 231022), (341, 210020), (620, 115511), (682, 105010), (1364, 52505), (1705, 42004), (3410, 21002), (6820, 10501)]