130321720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{30449}}^1$

素因数の和:30567

約数の個数: 32

約数和(自身を含む): 295974000

約数和(自身を除く): 165652280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 30449, 60898, 121796, 152245, 243592, 304490, 608980, 1217960, 3258043, 6516086, 13032172, 16290215, 26064344, 32580430, 65160860, 130321720]

約数ペア:

[(1, 130321720), (2, 65160860), (4, 32580430), (5, 26064344), (8, 16290215), (10, 13032172), (20, 6516086), (40, 3258043), (107, 1217960), (214, 608980), (428, 304490), (535, 243592), (856, 152245), (1070, 121796), (2140, 60898), (4280, 30449)]