64475120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27791}}^1$

素因数の和:27833

約数の個数: 40

約数和(自身を含む): 155079360

約数和(自身を除く): 90604240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27791, 55582, 111164, 138955, 222328, 277910, 444656, 555820, 805939, 1111640, 1611878, 2223280, 3223756, 4029695, 6447512, 8059390, 12895024, 16118780, 32237560, 64475120]

約数ペア:

[(1, 64475120), (2, 32237560), (4, 16118780), (5, 12895024), (8, 8059390), (10, 6447512), (16, 4029695), (20, 3223756), (29, 2223280), (40, 1611878), (58, 1111640), (80, 805939), (116, 555820), (145, 444656), (232, 277910), (290, 222328), (464, 138955), (580, 111164), (1160, 55582), (2320, 27791)]