2778903920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2672023}}^1$

素因数の和:2672049

約数の個数: 40

約数和(自身を含む): 6957950496

約数和(自身を除く): 4179046576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2672023, 5344046, 10688092, 13360115, 21376184, 26720230, 34736299, 42752368, 53440460, 69472598, 106880920, 138945196, 173681495, 213761840, 277890392, 347362990, 555780784, 694725980, 1389451960, 2778903920]

約数ペア:

[(1, 2778903920), (2, 1389451960), (4, 694725980), (5, 555780784), (8, 347362990), (10, 277890392), (13, 213761840), (16, 173681495), (20, 138945196), (26, 106880920), (40, 69472598), (52, 53440460), (65, 42752368), (80, 34736299), (104, 26720230), (130, 21376184), (208, 13360115), (260, 10688092), (520, 5344046), (1040, 2672023)]