16451920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12097}}^1$

素因数の和:12127

約数の個数: 40

約数和(自身を含む): 40504104

約数和(自身を除く): 24052184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 12097, 24194, 48388, 60485, 96776, 120970, 193552, 205649, 241940, 411298, 483880, 822596, 967760, 1028245, 1645192, 2056490, 3290384, 4112980, 8225960, 16451920]

約数ペア:

[(1, 16451920), (2, 8225960), (4, 4112980), (5, 3290384), (8, 2056490), (10, 1645192), (16, 1028245), (17, 967760), (20, 822596), (34, 483880), (40, 411298), (68, 241940), (80, 205649), (85, 193552), (136, 120970), (170, 96776), (272, 60485), (340, 48388), (680, 24194), (1360, 12097)]