78528020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{58603}}^1$

素因数の和:58679

約数の個数: 24

約数和(自身を含む): 167373024

約数和(自身を除く): 88845004

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 58603, 117206, 234412, 293015, 586030, 1172060, 3926401, 7852802, 15705604, 19632005, 39264010, 78528020]

約数ペア:

[(1, 78528020), (2, 39264010), (4, 19632005), (5, 15705604), (10, 7852802), (20, 3926401), (67, 1172060), (134, 586030), (268, 293015), (335, 234412), (670, 117206), (1340, 58603)]