28466795120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20931467}}^1$

素因数の和:20931497

約数の個数: 40

約数和(自身を含む): 70078554864

約数和(自身を除く): 41611759744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20931467, 41862934, 83725868, 104657335, 167451736, 209314670, 334903472, 355834939, 418629340, 711669878, 837258680, 1423339756, 1674517360, 1779174695, 2846679512, 3558349390, 5693359024, 7116698780, 14233397560, 28466795120]

約数ペア:

[(1, 28466795120), (2, 14233397560), (4, 7116698780), (5, 5693359024), (8, 3558349390), (10, 2846679512), (16, 1779174695), (17, 1674517360), (20, 1423339756), (34, 837258680), (40, 711669878), (68, 418629340), (80, 355834939), (85, 334903472), (136, 209314670), (170, 167451736), (272, 104657335), (340, 83725868), (680, 41862934), (1360, 20931467)]