220305320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{42043}}^1$

素因数の和:42185

約数の個数: 32

約数和(自身を含む): 499482720

約数和(自身を除く): 279177400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 42043, 84086, 168172, 210215, 336344, 420430, 840860, 1681720, 5507633, 11015266, 22030532, 27538165, 44061064, 55076330, 110152660, 220305320]

約数ペア:

[(1, 220305320), (2, 110152660), (4, 55076330), (5, 44061064), (8, 27538165), (10, 22030532), (20, 11015266), (40, 5507633), (131, 1681720), (262, 840860), (524, 420430), (655, 336344), (1048, 210215), (1310, 168172), (2620, 84086), (5240, 42043)]