202154840

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{7669}}^1$

素因数の和:8339

約数の個数: 32

約数和(自身を含む): 455598000

約数和(自身を除く): 253443160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 7669, 13180, 15338, 26360, 30676, 38345, 61352, 76690, 153380, 306760, 5053871, 10107742, 20215484, 25269355, 40430968, 50538710, 101077420, 202154840]

約数ペア:

[(1, 202154840), (2, 101077420), (4, 50538710), (5, 40430968), (8, 25269355), (10, 20215484), (20, 10107742), (40, 5053871), (659, 306760), (1318, 153380), (2636, 76690), (3295, 61352), (5272, 38345), (6590, 30676), (7669, 26360), (13180, 15338)]