73205680

素因数分解:

$2^4\times 5^1\times {\mathrm{915071}}^1$

素因数の和:915084

約数の個数: 20

約数和(自身を含む): 170203392

約数和(自身を除く): 96997712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 915071, 1830142, 3660284, 4575355, 7320568, 9150710, 14641136, 18301420, 36602840, 73205680]

約数ペア:

[(1, 73205680), (2, 36602840), (4, 18301420), (5, 14641136), (8, 9150710), (10, 7320568), (16, 4575355), (20, 3660284), (40, 1830142), (80, 915071)]