40545260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4079}}^1$

素因数の和:4166

約数の個数: 48

約数和(自身を含む): 98703360

約数和(自身を除く): 58158100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4079, 4970, 8158, 9940, 16316, 20395, 28553, 40790, 57106, 81580, 114212, 142765, 285530, 289609, 571060, 579218, 1158436, 1448045, 2027263, 2896090, 4054526, 5792180, 8109052, 10136315, 20272630, 40545260]

約数ペア:

[(1, 40545260), (2, 20272630), (4, 10136315), (5, 8109052), (7, 5792180), (10, 4054526), (14, 2896090), (20, 2027263), (28, 1448045), (35, 1158436), (70, 579218), (71, 571060), (140, 289609), (142, 285530), (284, 142765), (355, 114212), (497, 81580), (710, 57106), (994, 40790), (1420, 28553), (1988, 20395), (2485, 16316), (4079, 9940), (4970, 8158)]