251015180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{965443}}^1$

素因数の和:965465

約数の個数: 24

約数和(自身を含む): 567681072

約数和(自身を除く): 316665892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 965443, 1930886, 3861772, 4827215, 9654430, 12550759, 19308860, 25101518, 50203036, 62753795, 125507590, 251015180]

約数ペア:

[(1, 251015180), (2, 125507590), (4, 62753795), (5, 50203036), (10, 25101518), (13, 19308860), (20, 12550759), (26, 9654430), (52, 4827215), (65, 3861772), (130, 1930886), (260, 965443)]