64003220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103231}}^1$

素因数の和:103271

約数の個数: 24

約数和(自身を含む): 138743808

約数和(自身を除く): 74740588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 103231, 206462, 412924, 516155, 1032310, 2064620, 3200161, 6400322, 12800644, 16000805, 32001610, 64003220]

約数ペア:

[(1, 64003220), (2, 32001610), (4, 16000805), (5, 12800644), (10, 6400322), (20, 3200161), (31, 2064620), (62, 1032310), (124, 516155), (155, 412924), (310, 206462), (620, 103231)]