1945840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1897

約数の個数: 40

約数和(自身を含む): 4874688

約数和(自身を除く): 2928848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1871, 3742, 7484, 9355, 14968, 18710, 24323, 29936, 37420, 48646, 74840, 97292, 121615, 149680, 194584, 243230, 389168, 486460, 972920, 1945840]

約数ペア:

[(1, 1945840), (2, 972920), (4, 486460), (5, 389168), (8, 243230), (10, 194584), (13, 149680), (16, 121615), (20, 97292), (26, 74840), (40, 48646), (52, 37420), (65, 29936), (80, 24323), (104, 18710), (130, 14968), (208, 9355), (260, 7484), (520, 3742), (1040, 1871)]