13349980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{571}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 18938276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 571, 668, 835, 1142, 1169, 1670, 2284, 2338, 2855, 3340, 3997, 4676, 5710, 5845, 7994, 11420, 11690, 15988, 19985, 23380, 39970, 79940, 95357, 190714, 381428, 476785, 667499, 953570, 1334998, 1907140, 2669996, 3337495, 6674990, 13349980]

約数ペア:

[(1, 13349980), (2, 6674990), (4, 3337495), (5, 2669996), (7, 1907140), (10, 1334998), (14, 953570), (20, 667499), (28, 476785), (35, 381428), (70, 190714), (140, 95357), (167, 79940), (334, 39970), (571, 23380), (668, 19985), (835, 15988), (1142, 11690), (1169, 11420), (1670, 7994), (2284, 5845), (2338, 5710), (2855, 4676), (3340, 3997)]