70780240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8117}}^1$

素因数の和:8239

約数の個数: 40

約数和(自身を含む): 166094280

約数和(自身を除く): 95314040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8117, 8720, 16234, 32468, 40585, 64936, 81170, 129872, 162340, 324680, 649360, 884753, 1769506, 3539012, 4423765, 7078024, 8847530, 14156048, 17695060, 35390120, 70780240]

約数ペア:

[(1, 70780240), (2, 35390120), (4, 17695060), (5, 14156048), (8, 8847530), (10, 7078024), (16, 4423765), (20, 3539012), (40, 1769506), (80, 884753), (109, 649360), (218, 324680), (436, 162340), (545, 129872), (872, 81170), (1090, 64936), (1744, 40585), (2180, 32468), (4360, 16234), (8117, 8720)]