28788040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37879}}^1$

素因数の和:37909

約数の個数: 32

約数和(自身を含む): 68184000

約数和(自身を除く): 39395960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37879, 75758, 151516, 189395, 303032, 378790, 719701, 757580, 1439402, 1515160, 2878804, 3598505, 5757608, 7197010, 14394020, 28788040]

約数ペア:

[(1, 28788040), (2, 14394020), (4, 7197010), (5, 5757608), (8, 3598505), (10, 2878804), (19, 1515160), (20, 1439402), (38, 757580), (40, 719701), (76, 378790), (95, 303032), (152, 189395), (190, 151516), (380, 75758), (760, 37879)]