31800250

素因数分解:

$2^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 60046272

約数和(自身を除く): 28246022

約数列:

[1, 2, 5, 10, 25, 50, 125, 131, 250, 262, 655, 971, 1310, 1942, 3275, 4855, 6550, 9710, 16375, 24275, 32750, 48550, 121375, 127201, 242750, 254402, 636005, 1272010, 3180025, 6360050, 15900125, 31800250]

約数ペア:

[(1, 31800250), (2, 15900125), (5, 6360050), (10, 3180025), (25, 1272010), (50, 636005), (125, 254402), (131, 242750), (250, 127201), (262, 121375), (655, 48550), (971, 32750), (1310, 24275), (1942, 16375), (3275, 9710), (4855, 6550)]