102440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 249480

約数和(自身を除く): 147040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1970, 2561, 3940, 5122, 7880, 10244, 12805, 20488, 25610, 51220, 102440]

約数ペア:

[(1, 102440), (2, 51220), (4, 25610), (5, 20488), (8, 12805), (10, 10244), (13, 7880), (20, 5122), (26, 3940), (40, 2561), (52, 1970), (65, 1576), (104, 985), (130, 788), (197, 520), (260, 394)]