4441840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4297

約数の個数: 40

約数和(自身を含む): 11124288

約数和(自身を除く): 6682448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4271, 8542, 17084, 21355, 34168, 42710, 55523, 68336, 85420, 111046, 170840, 222092, 277615, 341680, 444184, 555230, 888368, 1110460, 2220920, 4441840]

約数ペア:

[(1, 4441840), (2, 2220920), (4, 1110460), (5, 888368), (8, 555230), (10, 444184), (13, 341680), (16, 277615), (20, 222092), (26, 170840), (40, 111046), (52, 85420), (65, 68336), (80, 55523), (104, 42710), (130, 34168), (208, 21355), (260, 17084), (520, 8542), (1040, 4271)]