66444520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87427}}^1$

素因数の和:87457

約数の個数: 32

約数和(自身を含む): 157370400

約数和(自身を除く): 90925880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87427, 174854, 349708, 437135, 699416, 874270, 1661113, 1748540, 3322226, 3497080, 6644452, 8305565, 13288904, 16611130, 33222260, 66444520]

約数ペア:

[(1, 66444520), (2, 33222260), (4, 16611130), (5, 13288904), (8, 8305565), (10, 6644452), (19, 3497080), (20, 3322226), (38, 1748540), (40, 1661113), (76, 874270), (95, 699416), (152, 437135), (190, 349708), (380, 174854), (760, 87427)]