5142920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 12484800

約数和(自身を除く): 7341880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 101, 134, 152, 190, 202, 268, 335, 380, 404, 505, 536, 670, 760, 808, 1010, 1273, 1340, 1919, 2020, 2546, 2680, 3838, 4040, 5092, 6365, 6767, 7676, 9595, 10184, 12730, 13534, 15352, 19190, 25460, 27068, 33835, 38380, 50920, 54136, 67670, 76760, 128573, 135340, 257146, 270680, 514292, 642865, 1028584, 1285730, 2571460, 5142920]

約数ペア:

[(1, 5142920), (2, 2571460), (4, 1285730), (5, 1028584), (8, 642865), (10, 514292), (19, 270680), (20, 257146), (38, 135340), (40, 128573), (67, 76760), (76, 67670), (95, 54136), (101, 50920), (134, 38380), (152, 33835), (190, 27068), (202, 25460), (268, 19190), (335, 15352), (380, 13534), (404, 12730), (505, 10184), (536, 9595), (670, 7676), (760, 6767), (808, 6365), (1010, 5092), (1273, 4040), (1340, 3838), (1919, 2680), (2020, 2546)]