40810090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 75116160

約数和(自身を除く): 34306070

約数列:

[1, 2, 5, 10, 71, 142, 229, 251, 355, 458, 502, 710, 1145, 1255, 2290, 2510, 16259, 17821, 32518, 35642, 57479, 81295, 89105, 114958, 162590, 178210, 287395, 574790, 4081009, 8162018, 20405045, 40810090]

約数ペア:

[(1, 40810090), (2, 20405045), (5, 8162018), (10, 4081009), (71, 574790), (142, 287395), (229, 178210), (251, 162590), (355, 114958), (458, 89105), (502, 81295), (710, 57479), (1145, 35642), (1255, 32518), (2290, 17821), (2510, 16259)]