87360640

素因数分解:

$2^7\times 5^1\times {\mathrm{136501}}^1$

素因数の和:136520

約数の個数: 32

約数和(自身を含む): 208848060

約数和(自身を除く): 121487420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136501, 273002, 546004, 682505, 1092008, 1365010, 2184016, 2730020, 4368032, 5460040, 8736064, 10920080, 17472128, 21840160, 43680320, 87360640]

約数ペア:

[(1, 87360640), (2, 43680320), (4, 21840160), (5, 17472128), (8, 10920080), (10, 8736064), (16, 5460040), (20, 4368032), (32, 2730020), (40, 2184016), (64, 1365010), (80, 1092008), (128, 682505), (160, 546004), (320, 273002), (640, 136501)]