82118380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7030

約数の個数: 48

約数和(自身を含む): 187407360

約数和(自身を除く): 105288980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 6971, 11780, 13942, 27884, 34855, 69710, 132449, 139420, 216101, 264898, 432202, 529796, 662245, 864404, 1080505, 1324490, 2161010, 2648980, 4105919, 4322020, 8211838, 16423676, 20529595, 41059190, 82118380]

約数ペア:

[(1, 82118380), (2, 41059190), (4, 20529595), (5, 16423676), (10, 8211838), (19, 4322020), (20, 4105919), (31, 2648980), (38, 2161010), (62, 1324490), (76, 1080505), (95, 864404), (124, 662245), (155, 529796), (190, 432202), (310, 264898), (380, 216101), (589, 139420), (620, 132449), (1178, 69710), (2356, 34855), (2945, 27884), (5890, 13942), (6971, 11780)]