99970520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{192251}}^1$

素因数の和:192275

約数の個数: 32

約数和(自身を含む): 242237520

約数和(自身を除く): 142267000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 192251, 384502, 769004, 961255, 1538008, 1922510, 2499263, 3845020, 4998526, 7690040, 9997052, 12496315, 19994104, 24992630, 49985260, 99970520]

約数ペア:

[(1, 99970520), (2, 49985260), (4, 24992630), (5, 19994104), (8, 12496315), (10, 9997052), (13, 7690040), (20, 4998526), (26, 3845020), (40, 2499263), (52, 1922510), (65, 1538008), (104, 961255), (130, 769004), (260, 384502), (520, 192251)]