65489480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33413}}^1$

素因数の和:33438

約数の個数: 48

約数和(自身を含む): 171413820

約数和(自身を除く): 105924340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33413, 66826, 133652, 167065, 233891, 267304, 334130, 467782, 668260, 935564, 1169455, 1336520, 1637237, 1871128, 2338910, 3274474, 4677820, 6548948, 8186185, 9355640, 13097896, 16372370, 32744740, 65489480]

約数ペア:

[(1, 65489480), (2, 32744740), (4, 16372370), (5, 13097896), (7, 9355640), (8, 8186185), (10, 6548948), (14, 4677820), (20, 3274474), (28, 2338910), (35, 1871128), (40, 1637237), (49, 1336520), (56, 1169455), (70, 935564), (98, 668260), (140, 467782), (196, 334130), (245, 267304), (280, 233891), (392, 167065), (490, 133652), (980, 66826), (1960, 33413)]