16637560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 40629600

約数和(自身を除く): 23992040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 569, 680, 731, 860, 1138, 1462, 1720, 2276, 2845, 2924, 3655, 4552, 5690, 5848, 7310, 9673, 11380, 14620, 19346, 22760, 24467, 29240, 38692, 48365, 48934, 77384, 96730, 97868, 122335, 193460, 195736, 244670, 386920, 415939, 489340, 831878, 978680, 1663756, 2079695, 3327512, 4159390, 8318780, 16637560]

約数ペア:

[(1, 16637560), (2, 8318780), (4, 4159390), (5, 3327512), (8, 2079695), (10, 1663756), (17, 978680), (20, 831878), (34, 489340), (40, 415939), (43, 386920), (68, 244670), (85, 195736), (86, 193460), (136, 122335), (170, 97868), (172, 96730), (215, 77384), (340, 48934), (344, 48365), (430, 38692), (569, 29240), (680, 24467), (731, 22760), (860, 19346), (1138, 14620), (1462, 11380), (1720, 9673), (2276, 7310), (2845, 5848), (2924, 5690), (3655, 4552)]