80458640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32443}}^1$

素因数の和:32487

約数の個数: 40

約数和(自身を含む): 193106688

約数和(自身を除く): 112648048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32443, 64886, 129772, 162215, 259544, 324430, 519088, 648860, 1005733, 1297720, 2011466, 2595440, 4022932, 5028665, 8045864, 10057330, 16091728, 20114660, 40229320, 80458640]

約数ペア:

[(1, 80458640), (2, 40229320), (4, 20114660), (5, 16091728), (8, 10057330), (10, 8045864), (16, 5028665), (20, 4022932), (31, 2595440), (40, 2011466), (62, 1297720), (80, 1005733), (124, 648860), (155, 519088), (248, 324430), (310, 259544), (496, 162215), (620, 129772), (1240, 64886), (2480, 32443)]