7947680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3849

約数の個数: 48

約数和(自身を含む): 20226024

約数和(自身を除く): 12278344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 3821, 7642, 15284, 19105, 30568, 38210, 49673, 61136, 76420, 99346, 122272, 152840, 198692, 248365, 305680, 397384, 496730, 611360, 794768, 993460, 1589536, 1986920, 3973840, 7947680]

約数ペア:

[(1, 7947680), (2, 3973840), (4, 1986920), (5, 1589536), (8, 993460), (10, 794768), (13, 611360), (16, 496730), (20, 397384), (26, 305680), (32, 248365), (40, 198692), (52, 152840), (65, 122272), (80, 99346), (104, 76420), (130, 61136), (160, 49673), (208, 38210), (260, 30568), (416, 19105), (520, 15284), (1040, 7642), (2080, 3821)]