84055880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1279}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 199065600

約数和(自身を除く): 115009720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1279, 1643, 2120, 2558, 3286, 5116, 6395, 6572, 8215, 10232, 12790, 13144, 16430, 25580, 32860, 39649, 51160, 65720, 67787, 79298, 135574, 158596, 198245, 271148, 317192, 338935, 396490, 542296, 677870, 792980, 1355740, 1585960, 2101397, 2711480, 4202794, 8405588, 10506985, 16811176, 21013970, 42027940, 84055880]

約数ペア:

[(1, 84055880), (2, 42027940), (4, 21013970), (5, 16811176), (8, 10506985), (10, 8405588), (20, 4202794), (31, 2711480), (40, 2101397), (53, 1585960), (62, 1355740), (106, 792980), (124, 677870), (155, 542296), (212, 396490), (248, 338935), (265, 317192), (310, 271148), (424, 198245), (530, 158596), (620, 135574), (1060, 79298), (1240, 67787), (1279, 65720), (1643, 51160), (2120, 39649), (2558, 32860), (3286, 25580), (5116, 16430), (6395, 13144), (6572, 12790), (8215, 10232)]