16407580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 39674880

約数和(自身を除く): 23267300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 719, 815, 1141, 1438, 1630, 2282, 2876, 3260, 3595, 4564, 5033, 5705, 7190, 10066, 11410, 14380, 20132, 22820, 25165, 50330, 100660, 117197, 234394, 468788, 585985, 820379, 1171970, 1640758, 2343940, 3281516, 4101895, 8203790, 16407580]

約数ペア:

[(1, 16407580), (2, 8203790), (4, 4101895), (5, 3281516), (7, 2343940), (10, 1640758), (14, 1171970), (20, 820379), (28, 585985), (35, 468788), (70, 234394), (140, 117197), (163, 100660), (326, 50330), (652, 25165), (719, 22820), (815, 20132), (1141, 14380), (1438, 11410), (1630, 10066), (2282, 7190), (2876, 5705), (3260, 5033), (3595, 4564)]