40128440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8291}}^1$

素因数の和:8324

約数の個数: 48

約数和(自身を含む): 99255240

約数和(自身を除く): 59126800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 8291, 16582, 33164, 41455, 66328, 82910, 91201, 165820, 182402, 331640, 364804, 456005, 729608, 912010, 1003211, 1824020, 2006422, 3648040, 4012844, 5016055, 8025688, 10032110, 20064220, 40128440]

約数ペア:

[(1, 40128440), (2, 20064220), (4, 10032110), (5, 8025688), (8, 5016055), (10, 4012844), (11, 3648040), (20, 2006422), (22, 1824020), (40, 1003211), (44, 912010), (55, 729608), (88, 456005), (110, 364804), (121, 331640), (220, 182402), (242, 165820), (440, 91201), (484, 82910), (605, 66328), (968, 41455), (1210, 33164), (2420, 16582), (4840, 8291)]