28224080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20753}}^1$

素因数の和:20783

約数の個数: 40

約数和(自身を含む): 69484392

約数和(自身を除く): 41260312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20753, 41506, 83012, 103765, 166024, 207530, 332048, 352801, 415060, 705602, 830120, 1411204, 1660240, 1764005, 2822408, 3528010, 5644816, 7056020, 14112040, 28224080]

約数ペア:

[(1, 28224080), (2, 14112040), (4, 7056020), (5, 5644816), (8, 3528010), (10, 2822408), (16, 1764005), (17, 1660240), (20, 1411204), (34, 830120), (40, 705602), (68, 415060), (80, 352801), (85, 332048), (136, 207530), (170, 166024), (272, 103765), (340, 83012), (680, 41506), (1360, 20753)]