260622440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{501197}}^1$

素因数の和:501221

約数の個数: 32

約数和(自身を含む): 631509480

約数和(自身を除く): 370887040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 501197, 1002394, 2004788, 2505985, 4009576, 5011970, 6515561, 10023940, 13031122, 20047880, 26062244, 32577805, 52124488, 65155610, 130311220, 260622440]

約数ペア:

[(1, 260622440), (2, 130311220), (4, 65155610), (5, 52124488), (8, 32577805), (10, 26062244), (13, 20047880), (20, 13031122), (26, 10023940), (40, 6515561), (52, 5011970), (65, 4009576), (104, 2505985), (130, 2004788), (260, 1002394), (520, 501197)]