22381840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21521}}^1$

素因数の和:21547

約数の個数: 40

約数和(自身を含む): 56043288

約数和(自身を除く): 33661448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 21521, 43042, 86084, 107605, 172168, 215210, 279773, 344336, 430420, 559546, 860840, 1119092, 1398865, 1721680, 2238184, 2797730, 4476368, 5595460, 11190920, 22381840]

約数ペア:

[(1, 22381840), (2, 11190920), (4, 5595460), (5, 4476368), (8, 2797730), (10, 2238184), (13, 1721680), (16, 1398865), (20, 1119092), (26, 860840), (40, 559546), (52, 430420), (65, 344336), (80, 279773), (104, 215210), (130, 172168), (208, 107605), (260, 86084), (520, 43042), (1040, 21521)]