8198840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15767}}^1$

素因数の和:15791

約数の個数: 32

約数和(自身を含む): 19867680

約数和(自身を除く): 11668840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15767, 31534, 63068, 78835, 126136, 157670, 204971, 315340, 409942, 630680, 819884, 1024855, 1639768, 2049710, 4099420, 8198840]

約数ペア:

[(1, 8198840), (2, 4099420), (4, 2049710), (5, 1639768), (8, 1024855), (10, 819884), (13, 630680), (20, 409942), (26, 315340), (40, 204971), (52, 157670), (65, 126136), (104, 78835), (130, 63068), (260, 31534), (520, 15767)]