71603480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137699}}^1$

素因数の和:137723

約数の個数: 32

約数和(自身を含む): 173502000

約数和(自身を除く): 101898520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137699, 275398, 550796, 688495, 1101592, 1376990, 1790087, 2753980, 3580174, 5507960, 7160348, 8950435, 14320696, 17900870, 35801740, 71603480]

約数ペア:

[(1, 71603480), (2, 35801740), (4, 17900870), (5, 14320696), (8, 8950435), (10, 7160348), (13, 5507960), (20, 3580174), (26, 2753980), (40, 1790087), (52, 1376990), (65, 1101592), (104, 688495), (130, 550796), (260, 275398), (520, 137699)]