74925440

素因数分解:

$2^7\times 5^1\times {\mathrm{117071}}^1$

素因数の和:117090

約数の個数: 32

約数和(自身を含む): 179120160

約数和(自身を除く): 104194720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 117071, 234142, 468284, 585355, 936568, 1170710, 1873136, 2341420, 3746272, 4682840, 7492544, 9365680, 14985088, 18731360, 37462720, 74925440]

約数ペア:

[(1, 74925440), (2, 37462720), (4, 18731360), (5, 14985088), (8, 9365680), (10, 7492544), (16, 4682840), (20, 3746272), (32, 2341420), (40, 1873136), (64, 1170710), (80, 936568), (128, 585355), (160, 468284), (320, 234142), (640, 117071)]