7220240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5309}}^1$

素因数の和:5339

約数の個数: 40

約数和(自身を含む): 17777880

約数和(自身を除く): 10557640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 5309, 10618, 21236, 26545, 42472, 53090, 84944, 90253, 106180, 180506, 212360, 361012, 424720, 451265, 722024, 902530, 1444048, 1805060, 3610120, 7220240]

約数ペア:

[(1, 7220240), (2, 3610120), (4, 1805060), (5, 1444048), (8, 902530), (10, 722024), (16, 451265), (17, 424720), (20, 361012), (34, 212360), (40, 180506), (68, 106180), (80, 90253), (85, 84944), (136, 53090), (170, 42472), (272, 26545), (340, 21236), (680, 10618), (1360, 5309)]