421874440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811297}}^1$

素因数の和:811321

約数の個数: 32

約数和(自身を含む): 1022235480

約数和(自身を除く): 600361040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 811297, 1622594, 3245188, 4056485, 6490376, 8112970, 10546861, 16225940, 21093722, 32451880, 42187444, 52734305, 84374888, 105468610, 210937220, 421874440]

約数ペア:

[(1, 421874440), (2, 210937220), (4, 105468610), (5, 84374888), (8, 52734305), (10, 42187444), (13, 32451880), (20, 21093722), (26, 16225940), (40, 10546861), (52, 8112970), (65, 6490376), (104, 4056485), (130, 3245188), (260, 1622594), (520, 811297)]