66911920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44021}}^1$

素因数の和:44053

約数の個数: 40

約数和(自身を含む): 163761840

約数和(自身を除く): 96849920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 44021, 88042, 176084, 220105, 352168, 440210, 704336, 836399, 880420, 1672798, 1760840, 3345596, 3521680, 4181995, 6691192, 8363990, 13382384, 16727980, 33455960, 66911920]

約数ペア:

[(1, 66911920), (2, 33455960), (4, 16727980), (5, 13382384), (8, 8363990), (10, 6691192), (16, 4181995), (19, 3521680), (20, 3345596), (38, 1760840), (40, 1672798), (76, 880420), (80, 836399), (95, 704336), (152, 440210), (190, 352168), (304, 220105), (380, 176084), (760, 88042), (1520, 44021)]