87908140

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{4339}}^1$

素因数の和:5361

約数の個数: 24

約数和(自身を含む): 184831920

約数和(自身を除く): 96923780

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 4339, 5065, 8678, 10130, 17356, 20260, 21695, 43390, 86780, 4395407, 8790814, 17581628, 21977035, 43954070, 87908140]

約数ペア:

[(1, 87908140), (2, 43954070), (4, 21977035), (5, 17581628), (10, 8790814), (20, 4395407), (1013, 86780), (2026, 43390), (4052, 21695), (4339, 20260), (5065, 17356), (8678, 10130)]