19089200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3671}}^1$

素因数の和:3702

約数の個数: 60

約数和(自身を含む): 49403088

約数和(自身を除く): 30313888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3671, 5200, 7342, 14684, 18355, 29368, 36710, 47723, 58736, 73420, 91775, 95446, 146840, 183550, 190892, 238615, 293680, 367100, 381784, 477230, 734200, 763568, 954460, 1193075, 1468400, 1908920, 2386150, 3817840, 4772300, 9544600, 19089200]

約数ペア:

[(1, 19089200), (2, 9544600), (4, 4772300), (5, 3817840), (8, 2386150), (10, 1908920), (13, 1468400), (16, 1193075), (20, 954460), (25, 763568), (26, 734200), (40, 477230), (50, 381784), (52, 367100), (65, 293680), (80, 238615), (100, 190892), (104, 183550), (130, 146840), (200, 95446), (208, 91775), (260, 73420), (325, 58736), (400, 47723), (520, 36710), (650, 29368), (1040, 18355), (1300, 14684), (2600, 7342), (3671, 5200)]