158328040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{304477}}^1$

素因数の和:304501

約数の個数: 32

約数和(自身を含む): 383642280

約数和(自身を除く): 225314240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 304477, 608954, 1217908, 1522385, 2435816, 3044770, 3958201, 6089540, 7916402, 12179080, 15832804, 19791005, 31665608, 39582010, 79164020, 158328040]

約数ペア:

[(1, 158328040), (2, 79164020), (4, 39582010), (5, 31665608), (8, 19791005), (10, 15832804), (13, 12179080), (20, 7916402), (26, 6089540), (40, 3958201), (52, 3044770), (65, 2435816), (104, 1522385), (130, 1217908), (260, 608954), (520, 304477)]