64128640

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1149

約数の個数: 64

約数和(自身を含む): 155037960

約数和(自身を除く): 90909320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1033, 1552, 1940, 2066, 3104, 3880, 4132, 5165, 6208, 7760, 8264, 10330, 12416, 15520, 16528, 20660, 31040, 33056, 41320, 62080, 66112, 82640, 100201, 132224, 165280, 200402, 330560, 400804, 501005, 661120, 801608, 1002010, 1603216, 2004020, 3206432, 4008040, 6412864, 8016080, 12825728, 16032160, 32064320, 64128640]

約数ペア:

[(1, 64128640), (2, 32064320), (4, 16032160), (5, 12825728), (8, 8016080), (10, 6412864), (16, 4008040), (20, 3206432), (32, 2004020), (40, 1603216), (64, 1002010), (80, 801608), (97, 661120), (128, 501005), (160, 400804), (194, 330560), (320, 200402), (388, 165280), (485, 132224), (640, 100201), (776, 82640), (970, 66112), (1033, 62080), (1552, 41320), (1940, 33056), (2066, 31040), (3104, 20660), (3880, 16528), (4132, 15520), (5165, 12416), (6208, 10330), (7760, 8264)]