139126520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{267551}}^1$

素因数の和:267575

約数の個数: 32

約数和(自身を含む): 337115520

約数和(自身を除く): 197989000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 267551, 535102, 1070204, 1337755, 2140408, 2675510, 3478163, 5351020, 6956326, 10702040, 13912652, 17390815, 27825304, 34781630, 69563260, 139126520]

約数ペア:

[(1, 139126520), (2, 69563260), (4, 34781630), (5, 27825304), (8, 17390815), (10, 13912652), (13, 10702040), (20, 6956326), (26, 5351020), (40, 3478163), (52, 2675510), (65, 2140408), (104, 1337755), (130, 1070204), (260, 535102), (520, 267551)]