82398440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{599}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 196560000

約数和(自身を除く): 114161560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 599, 724, 760, 905, 1198, 1448, 1810, 2396, 2995, 3439, 3620, 4792, 5990, 6878, 7240, 11381, 11980, 13756, 17195, 22762, 23960, 27512, 34390, 45524, 56905, 68780, 91048, 108419, 113810, 137560, 216838, 227620, 433676, 455240, 542095, 867352, 1084190, 2059961, 2168380, 4119922, 4336760, 8239844, 10299805, 16479688, 20599610, 41199220, 82398440]

約数ペア:

[(1, 82398440), (2, 41199220), (4, 20599610), (5, 16479688), (8, 10299805), (10, 8239844), (19, 4336760), (20, 4119922), (38, 2168380), (40, 2059961), (76, 1084190), (95, 867352), (152, 542095), (181, 455240), (190, 433676), (362, 227620), (380, 216838), (599, 137560), (724, 113810), (760, 108419), (905, 91048), (1198, 68780), (1448, 56905), (1810, 45524), (2396, 34390), (2995, 27512), (3439, 23960), (3620, 22762), (4792, 17195), (5990, 13756), (6878, 11980), (7240, 11381)]