30244840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24391}}^1$

素因数の和:24433

約数の個数: 32

約数和(自身を含む): 70248960

約数和(自身を除く): 40004120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24391, 48782, 97564, 121955, 195128, 243910, 487820, 756121, 975640, 1512242, 3024484, 3780605, 6048968, 7561210, 15122420, 30244840]

約数ペア:

[(1, 30244840), (2, 15122420), (4, 7561210), (5, 6048968), (8, 3780605), (10, 3024484), (20, 1512242), (31, 975640), (40, 756121), (62, 487820), (124, 243910), (155, 195128), (248, 121955), (310, 97564), (620, 48782), (1240, 24391)]