858125440

素因数分解:

$2^7\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1459}}^1$

素因数の和:2397

約数の個数: 64

約数和(自身を含む): 2055096000

約数和(自身を除く): 1196970560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 919, 1459, 1838, 2918, 3676, 4595, 5836, 7295, 7352, 9190, 11672, 14590, 14704, 18380, 23344, 29180, 29408, 36760, 46688, 58360, 58816, 73520, 93376, 116720, 117632, 147040, 186752, 233440, 294080, 466880, 588160, 933760, 1340821, 2681642, 5363284, 6704105, 10726568, 13408210, 21453136, 26816420, 42906272, 53632840, 85812544, 107265680, 171625088, 214531360, 429062720, 858125440]

約数ペア:

[(1, 858125440), (2, 429062720), (4, 214531360), (5, 171625088), (8, 107265680), (10, 85812544), (16, 53632840), (20, 42906272), (32, 26816420), (40, 21453136), (64, 13408210), (80, 10726568), (128, 6704105), (160, 5363284), (320, 2681642), (640, 1340821), (919, 933760), (1459, 588160), (1838, 466880), (2918, 294080), (3676, 233440), (4595, 186752), (5836, 147040), (7295, 117632), (7352, 116720), (9190, 93376), (11672, 73520), (14590, 58816), (14704, 58360), (18380, 46688), (23344, 36760), (29180, 29408)]