71954560

素因数分解:

$2^7\times 5^1\times {\mathrm{112429}}^1$

素因数の和:112448

約数の個数: 32

約数和(自身を含む): 172017900

約数和(自身を除く): 100063340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112429, 224858, 449716, 562145, 899432, 1124290, 1798864, 2248580, 3597728, 4497160, 7195456, 8994320, 14390912, 17988640, 35977280, 71954560]

約数ペア:

[(1, 71954560), (2, 35977280), (4, 17988640), (5, 14390912), (8, 8994320), (10, 7195456), (16, 4497160), (20, 3597728), (32, 2248580), (40, 1798864), (64, 1124290), (80, 899432), (128, 562145), (160, 449716), (320, 224858), (640, 112429)]