130480040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79561}}^1$

素因数の和:79613

約数の個数: 32

約数和(自身を含む): 300744360

約数和(自身を除く): 170264320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 79561, 159122, 318244, 397805, 636488, 795610, 1591220, 3182440, 3262001, 6524002, 13048004, 16310005, 26096008, 32620010, 65240020, 130480040]

約数ペア:

[(1, 130480040), (2, 65240020), (4, 32620010), (5, 26096008), (8, 16310005), (10, 13048004), (20, 6524002), (40, 3262001), (41, 3182440), (82, 1591220), (164, 795610), (205, 636488), (328, 397805), (410, 318244), (820, 159122), (1640, 79561)]