1680492020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{27943}}^1$

素因数の和:28080

約数の個数: 48

約数和(自身を含む): 3680560128

約数和(自身を除く): 2000068108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 3007, 6014, 12028, 15035, 27943, 30070, 55886, 60140, 111772, 139715, 279430, 558860, 866233, 1732466, 2710471, 3464932, 4331165, 5420942, 8662330, 10841884, 13552355, 17324660, 27104710, 54209420, 84024601, 168049202, 336098404, 420123005, 840246010, 1680492020]

約数ペア:

[(1, 1680492020), (2, 840246010), (4, 420123005), (5, 336098404), (10, 168049202), (20, 84024601), (31, 54209420), (62, 27104710), (97, 17324660), (124, 13552355), (155, 10841884), (194, 8662330), (310, 5420942), (388, 4331165), (485, 3464932), (620, 2710471), (970, 1732466), (1940, 866233), (3007, 558860), (6014, 279430), (12028, 139715), (15035, 111772), (27943, 60140), (30070, 55886)]