2181569240

素因数分解:

$2^3\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{22621}}^1$

素因数の和:25043

約数の個数: 32

約数和(自身を含む): 4910783760

約数和(自身を除く): 2729214520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2411, 4822, 9644, 12055, 19288, 22621, 24110, 45242, 48220, 90484, 96440, 113105, 180968, 226210, 452420, 904840, 54539231, 109078462, 218156924, 272696155, 436313848, 545392310, 1090784620, 2181569240]

約数ペア:

[(1, 2181569240), (2, 1090784620), (4, 545392310), (5, 436313848), (8, 272696155), (10, 218156924), (20, 109078462), (40, 54539231), (2411, 904840), (4822, 452420), (9644, 226210), (12055, 180968), (19288, 113105), (22621, 96440), (24110, 90484), (45242, 48220)]