28477040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20939}}^1$

素因数の和:20969

約数の個数: 40

約数和(自身を含む): 70107120

約数和(自身を除く): 41630080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20939, 41878, 83756, 104695, 167512, 209390, 335024, 355963, 418780, 711926, 837560, 1423852, 1675120, 1779815, 2847704, 3559630, 5695408, 7119260, 14238520, 28477040]

約数ペア:

[(1, 28477040), (2, 14238520), (4, 7119260), (5, 5695408), (8, 3559630), (10, 2847704), (16, 1779815), (17, 1675120), (20, 1423852), (34, 837560), (40, 711926), (68, 418780), (80, 355963), (85, 335024), (136, 209390), (170, 167512), (272, 104695), (340, 83756), (680, 41878), (1360, 20939)]