2100082720

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{31177}}^1$

素因数の和:31613

約数の個数: 48

約数和(自身を含む): 4973389848

約数和(自身を除く): 2873307128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1684, 2105, 3368, 4210, 6736, 8420, 13472, 16840, 31177, 33680, 62354, 67360, 124708, 155885, 249416, 311770, 498832, 623540, 997664, 1247080, 2494160, 4988320, 13125517, 26251034, 52502068, 65627585, 105004136, 131255170, 210008272, 262510340, 420016544, 525020680, 1050041360, 2100082720]

約数ペア:

[(1, 2100082720), (2, 1050041360), (4, 525020680), (5, 420016544), (8, 262510340), (10, 210008272), (16, 131255170), (20, 105004136), (32, 65627585), (40, 52502068), (80, 26251034), (160, 13125517), (421, 4988320), (842, 2494160), (1684, 1247080), (2105, 997664), (3368, 623540), (4210, 498832), (6736, 311770), (8420, 249416), (13472, 155885), (16840, 124708), (31177, 67360), (33680, 62354)]