40356820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2551}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 97751808

約数和(自身を除く): 57394988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 2551, 3164, 3955, 5102, 7910, 10204, 12755, 15820, 17857, 25510, 35714, 51020, 71428, 89285, 178570, 288263, 357140, 576526, 1153052, 1441315, 2017841, 2882630, 4035682, 5765260, 8071364, 10089205, 20178410, 40356820]

約数ペア:

[(1, 40356820), (2, 20178410), (4, 10089205), (5, 8071364), (7, 5765260), (10, 4035682), (14, 2882630), (20, 2017841), (28, 1441315), (35, 1153052), (70, 576526), (113, 357140), (140, 288263), (226, 178570), (452, 89285), (565, 71428), (791, 51020), (1130, 35714), (1582, 25510), (2260, 17857), (2551, 15820), (3164, 12755), (3955, 10204), (5102, 7910)]