131668220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{761}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 284963616

約数和(自身を除く): 153295396

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 211, 410, 422, 761, 820, 844, 1055, 1522, 2110, 3044, 3805, 4220, 7610, 8651, 15220, 17302, 31201, 34604, 43255, 62402, 86510, 124804, 156005, 160571, 173020, 312010, 321142, 624020, 642284, 802855, 1605710, 3211420, 6583411, 13166822, 26333644, 32917055, 65834110, 131668220]

約数ペア:

[(1, 131668220), (2, 65834110), (4, 32917055), (5, 26333644), (10, 13166822), (20, 6583411), (41, 3211420), (82, 1605710), (164, 802855), (205, 642284), (211, 624020), (410, 321142), (422, 312010), (761, 173020), (820, 160571), (844, 156005), (1055, 124804), (1522, 86510), (2110, 62402), (3044, 43255), (3805, 34604), (4220, 31201), (7610, 17302), (8651, 15220)]