201395080

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27817}}^1$

素因数の和:28009

約数の個数: 32

約数和(自身を含む): 455658840

約数和(自身を除く): 254263760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27817, 55634, 111268, 139085, 222536, 278170, 556340, 1112680, 5034877, 10069754, 20139508, 25174385, 40279016, 50348770, 100697540, 201395080]

約数ペア:

[(1, 201395080), (2, 100697540), (4, 50348770), (5, 40279016), (8, 25174385), (10, 20139508), (20, 10069754), (40, 5034877), (181, 1112680), (362, 556340), (724, 278170), (905, 222536), (1448, 139085), (1810, 111268), (3620, 55634), (7240, 27817)]