13545800

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 31889700

約数和(自身を除く): 18343900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 761, 890, 1522, 1780, 2225, 3044, 3560, 3805, 4450, 6088, 7610, 8900, 15220, 17800, 19025, 30440, 38050, 67729, 76100, 135458, 152200, 270916, 338645, 541832, 677290, 1354580, 1693225, 2709160, 3386450, 6772900, 13545800]

約数ペア:

[(1, 13545800), (2, 6772900), (4, 3386450), (5, 2709160), (8, 1693225), (10, 1354580), (20, 677290), (25, 541832), (40, 338645), (50, 270916), (89, 152200), (100, 135458), (178, 76100), (200, 67729), (356, 38050), (445, 30440), (712, 19025), (761, 17800), (890, 15220), (1522, 8900), (1780, 7610), (2225, 6088), (3044, 4450), (3560, 3805)]