71488040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137477}}^1$

素因数の和:137501

約数の個数: 32

約数和(自身を含む): 173222280

約数和(自身を除く): 101734240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137477, 274954, 549908, 687385, 1099816, 1374770, 1787201, 2749540, 3574402, 5499080, 7148804, 8936005, 14297608, 17872010, 35744020, 71488040]

約数ペア:

[(1, 71488040), (2, 35744020), (4, 17872010), (5, 14297608), (8, 8936005), (10, 7148804), (13, 5499080), (20, 3574402), (26, 2749540), (40, 1787201), (52, 1374770), (65, 1099816), (104, 687385), (130, 549908), (260, 274954), (520, 137477)]