1647880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3193

約数の個数: 32

約数和(自身を含む): 3994200

約数和(自身を除く): 2346320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3169, 6338, 12676, 15845, 25352, 31690, 41197, 63380, 82394, 126760, 164788, 205985, 329576, 411970, 823940, 1647880]

約数ペア:

[(1, 1647880), (2, 823940), (4, 411970), (5, 329576), (8, 205985), (10, 164788), (13, 126760), (20, 82394), (26, 63380), (40, 41197), (52, 31690), (65, 25352), (104, 15845), (130, 12676), (260, 6338), (520, 3169)]