72131540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277429}}^1$

素因数の和:277451

約数の個数: 24

約数和(自身を含む): 163128840

約数和(自身を除く): 90997300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277429, 554858, 1109716, 1387145, 2774290, 3606577, 5548580, 7213154, 14426308, 18032885, 36065770, 72131540]

約数ペア:

[(1, 72131540), (2, 36065770), (4, 18032885), (5, 14426308), (10, 7213154), (13, 5548580), (20, 3606577), (26, 2774290), (52, 1387145), (65, 1109716), (130, 554858), (260, 277429)]