55982420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215317}}^1$

素因数の和:215339

約数の個数: 24

約数和(自身を含む): 126606984

約数和(自身を除く): 70624564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 215317, 430634, 861268, 1076585, 2153170, 2799121, 4306340, 5598242, 11196484, 13995605, 27991210, 55982420]

約数ペア:

[(1, 55982420), (2, 27991210), (4, 13995605), (5, 11196484), (10, 5598242), (13, 4306340), (20, 2799121), (26, 2153170), (52, 1076585), (65, 861268), (130, 430634), (260, 215317)]