5405080

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 12250800

約数和(自身を除く): 6845720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 829, 1304, 1630, 1658, 3260, 3316, 4145, 6520, 6632, 8290, 16580, 33160, 135127, 270254, 540508, 675635, 1081016, 1351270, 2702540, 5405080]

約数ペア:

[(1, 5405080), (2, 2702540), (4, 1351270), (5, 1081016), (8, 675635), (10, 540508), (20, 270254), (40, 135127), (163, 33160), (326, 16580), (652, 8290), (815, 6632), (829, 6520), (1304, 4145), (1630, 3316), (1658, 3260)]