169520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 427056

約数和(自身を除く): 257536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 652, 815, 1040, 1304, 1630, 2119, 2608, 3260, 4238, 6520, 8476, 10595, 13040, 16952, 21190, 33904, 42380, 84760, 169520]

約数ペア:

[(1, 169520), (2, 84760), (4, 42380), (5, 33904), (8, 21190), (10, 16952), (13, 13040), (16, 10595), (20, 8476), (26, 6520), (40, 4238), (52, 3260), (65, 2608), (80, 2119), (104, 1630), (130, 1304), (163, 1040), (208, 815), (260, 652), (326, 520)]