168349840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67883}}^1$

素因数の和:67927

約数の個数: 40

約数和(自身を含む): 404045568

約数和(自身を除く): 235695728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67883, 135766, 271532, 339415, 543064, 678830, 1086128, 1357660, 2104373, 2715320, 4208746, 5430640, 8417492, 10521865, 16834984, 21043730, 33669968, 42087460, 84174920, 168349840]

約数ペア:

[(1, 168349840), (2, 84174920), (4, 42087460), (5, 33669968), (8, 21043730), (10, 16834984), (16, 10521865), (20, 8417492), (31, 5430640), (40, 4208746), (62, 2715320), (80, 2104373), (124, 1357660), (155, 1086128), (248, 678830), (310, 543064), (496, 339415), (620, 271532), (1240, 135766), (2480, 67883)]