8213680

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 19342512

約数和(自身を除く): 11128832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1237, 1328, 1660, 2474, 3320, 4948, 6185, 6640, 9896, 12370, 19792, 24740, 49480, 98960, 102671, 205342, 410684, 513355, 821368, 1026710, 1642736, 2053420, 4106840, 8213680]

約数ペア:

[(1, 8213680), (2, 4106840), (4, 2053420), (5, 1642736), (8, 1026710), (10, 821368), (16, 513355), (20, 410684), (40, 205342), (80, 102671), (83, 98960), (166, 49480), (332, 24740), (415, 19792), (664, 12370), (830, 9896), (1237, 6640), (1328, 6185), (1660, 4948), (2474, 3320)]