64340560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27733}}^1$

素因数の和:27775

約数の個数: 40

約数和(自身を含む): 154755720

約数和(自身を除く): 90415160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27733, 55466, 110932, 138665, 221864, 277330, 443728, 554660, 804257, 1109320, 1608514, 2218640, 3217028, 4021285, 6434056, 8042570, 12868112, 16085140, 32170280, 64340560]

約数ペア:

[(1, 64340560), (2, 32170280), (4, 16085140), (5, 12868112), (8, 8042570), (10, 6434056), (16, 4021285), (20, 3217028), (29, 2218640), (40, 1608514), (58, 1109320), (80, 804257), (116, 554660), (145, 443728), (232, 277330), (290, 221864), (464, 138665), (580, 110932), (1160, 55466), (2320, 27733)]