64840100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49877}}^1$

素因数の和:49904

約数の個数: 36

約数和(自身を含む): 151529364

約数和(自身を除く): 86689264

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 49877, 99754, 199508, 249385, 498770, 648401, 997540, 1246925, 1296802, 2493850, 2593604, 3242005, 4987700, 6484010, 12968020, 16210025, 32420050, 64840100]

約数ペア:

[(1, 64840100), (2, 32420050), (4, 16210025), (5, 12968020), (10, 6484010), (13, 4987700), (20, 3242005), (25, 2593604), (26, 2493850), (50, 1296802), (52, 1246925), (65, 997540), (100, 648401), (130, 498770), (260, 249385), (325, 199508), (650, 99754), (1300, 49877)]