84985720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124979}}^1$

素因数の和:125007

約数の個数: 32

約数和(自身を含む): 202467600

約数和(自身を除く): 117481880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 124979, 249958, 499916, 624895, 999832, 1249790, 2124643, 2499580, 4249286, 4999160, 8498572, 10623215, 16997144, 21246430, 42492860, 84985720]

約数ペア:

[(1, 84985720), (2, 42492860), (4, 21246430), (5, 16997144), (8, 10623215), (10, 8498572), (17, 4999160), (20, 4249286), (34, 2499580), (40, 2124643), (68, 1249790), (85, 999832), (136, 624895), (170, 499916), (340, 249958), (680, 124979)]