131008040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{773}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 312076800

約数和(自身を除く): 181068760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 380, 446, 760, 773, 892, 1115, 1546, 1784, 2230, 3092, 3865, 4237, 4460, 6184, 7730, 8474, 8920, 14687, 15460, 16948, 21185, 29374, 30920, 33896, 42370, 58748, 73435, 84740, 117496, 146870, 169480, 172379, 293740, 344758, 587480, 689516, 861895, 1379032, 1723790, 3275201, 3447580, 6550402, 6895160, 13100804, 16376005, 26201608, 32752010, 65504020, 131008040]

約数ペア:

[(1, 131008040), (2, 65504020), (4, 32752010), (5, 26201608), (8, 16376005), (10, 13100804), (19, 6895160), (20, 6550402), (38, 3447580), (40, 3275201), (76, 1723790), (95, 1379032), (152, 861895), (190, 689516), (223, 587480), (380, 344758), (446, 293740), (760, 172379), (773, 169480), (892, 146870), (1115, 117496), (1546, 84740), (1784, 73435), (2230, 58748), (3092, 42370), (3865, 33896), (4237, 30920), (4460, 29374), (6184, 21185), (7730, 16948), (8474, 15460), (8920, 14687)]