171156520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26251}}^1$

素因数の和:26425

約数の個数: 32

約数和(自身を含む): 387479520

約数和(自身を除く): 216323000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 26251, 52502, 105004, 131255, 210008, 262510, 525020, 1050040, 4278913, 8557826, 17115652, 21394565, 34231304, 42789130, 85578260, 171156520]

約数ペア:

[(1, 171156520), (2, 85578260), (4, 42789130), (5, 34231304), (8, 21394565), (10, 17115652), (20, 8557826), (40, 4278913), (163, 1050040), (326, 525020), (652, 262510), (815, 210008), (1304, 131255), (1630, 105004), (3260, 52502), (6520, 26251)]