2068705640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{4079}}^1$

素因数の和:4530

約数の個数: 64

約数和(自身を含む): 4817664000

約数和(自身を除く): 2748958360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 409, 620, 818, 1240, 1636, 2045, 3272, 4079, 4090, 8158, 8180, 12679, 16316, 16360, 20395, 25358, 32632, 40790, 50716, 63395, 81580, 101432, 126449, 126790, 163160, 252898, 253580, 505796, 507160, 632245, 1011592, 1264490, 1668311, 2528980, 3336622, 5057960, 6673244, 8341555, 13346488, 16683110, 33366220, 51717641, 66732440, 103435282, 206870564, 258588205, 413741128, 517176410, 1034352820, 2068705640]

約数ペア:

[(1, 2068705640), (2, 1034352820), (4, 517176410), (5, 413741128), (8, 258588205), (10, 206870564), (20, 103435282), (31, 66732440), (40, 51717641), (62, 33366220), (124, 16683110), (155, 13346488), (248, 8341555), (310, 6673244), (409, 5057960), (620, 3336622), (818, 2528980), (1240, 1668311), (1636, 1264490), (2045, 1011592), (3272, 632245), (4079, 507160), (4090, 505796), (8158, 253580), (8180, 252898), (12679, 163160), (16316, 126790), (16360, 126449), (20395, 101432), (25358, 81580), (32632, 63395), (40790, 50716)]