56557872020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{491039}}^1$

素因数の和:491504

約数の個数: 48

約数和(自身を含む): 128196794880

約数和(自身を除く): 71638922860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 886, 1772, 2215, 4430, 5759, 8860, 11518, 23036, 28795, 57590, 115180, 491039, 982078, 1964156, 2455195, 4910390, 6383507, 9820780, 12767014, 25534028, 31917535, 63835070, 127670140, 217530277, 435060554, 870121108, 1087651385, 2175302770, 2827893601, 4350605540, 5655787202, 11311574404, 14139468005, 28278936010, 56557872020]

約数ペア:

[(1, 56557872020), (2, 28278936010), (4, 14139468005), (5, 11311574404), (10, 5655787202), (13, 4350605540), (20, 2827893601), (26, 2175302770), (52, 1087651385), (65, 870121108), (130, 435060554), (260, 217530277), (443, 127670140), (886, 63835070), (1772, 31917535), (2215, 25534028), (4430, 12767014), (5759, 9820780), (8860, 6383507), (11518, 4910390), (23036, 2455195), (28795, 1964156), (57590, 982078), (115180, 491039)]