80199080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154229}}^1$

素因数の和:154253

約数の個数: 32

約数和(自身を含む): 194329800

約数和(自身を除く): 114130720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154229, 308458, 616916, 771145, 1233832, 1542290, 2004977, 3084580, 4009954, 6169160, 8019908, 10024885, 16039816, 20049770, 40099540, 80199080]

約数ペア:

[(1, 80199080), (2, 40099540), (4, 20049770), (5, 16039816), (8, 10024885), (10, 8019908), (13, 6169160), (20, 4009954), (26, 3084580), (40, 2004977), (52, 1542290), (65, 1233832), (104, 771145), (130, 616916), (260, 308458), (520, 154229)]