271640240

素因数分解:

$2^4\times 5^1\times {\mathrm{3395503}}^1$

素因数の和:3395516

約数の個数: 20

約数和(自身を含む): 631563744

約数和(自身を除く): 359923504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3395503, 6791006, 13582012, 16977515, 27164024, 33955030, 54328048, 67910060, 135820120, 271640240]

約数ペア:

[(1, 271640240), (2, 135820120), (4, 67910060), (5, 54328048), (8, 33955030), (10, 27164024), (16, 16977515), (20, 13582012), (40, 6791006), (80, 3395503)]