31501940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{937}}^1$

素因数の和:1028

約数の個数: 36

約数和(自身を含む): 67879308

約数和(自身を除く): 36377368

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 937, 1681, 1874, 3362, 3748, 4685, 6724, 8405, 9370, 16810, 18740, 33620, 38417, 76834, 153668, 192085, 384170, 768340, 1575097, 3150194, 6300388, 7875485, 15750970, 31501940]

約数ペア:

[(1, 31501940), (2, 15750970), (4, 7875485), (5, 6300388), (10, 3150194), (20, 1575097), (41, 768340), (82, 384170), (164, 192085), (205, 153668), (410, 76834), (820, 38417), (937, 33620), (1681, 18740), (1874, 16810), (3362, 9370), (3748, 8405), (4685, 6724)]