16676920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2467}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 40647960

約数和(自身を除く): 23971040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2467, 3380, 4934, 6760, 9868, 12335, 19736, 24670, 32071, 49340, 64142, 98680, 128284, 160355, 256568, 320710, 416923, 641420, 833846, 1282840, 1667692, 2084615, 3335384, 4169230, 8338460, 16676920]

約数ペア:

[(1, 16676920), (2, 8338460), (4, 4169230), (5, 3335384), (8, 2084615), (10, 1667692), (13, 1282840), (20, 833846), (26, 641420), (40, 416923), (52, 320710), (65, 256568), (104, 160355), (130, 128284), (169, 98680), (260, 64142), (338, 49340), (520, 32071), (676, 24670), (845, 19736), (1352, 12335), (1690, 9868), (2467, 6760), (3380, 4934)]