86857880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{983}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 199879920

約数和(自身を除く): 113022040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 983, 1880, 1966, 2209, 3932, 4418, 4915, 7864, 8836, 9830, 11045, 17672, 19660, 22090, 39320, 44180, 46201, 88360, 92402, 184804, 231005, 369608, 462010, 924020, 1848040, 2171447, 4342894, 8685788, 10857235, 17371576, 21714470, 43428940, 86857880]

約数ペア:

[(1, 86857880), (2, 43428940), (4, 21714470), (5, 17371576), (8, 10857235), (10, 8685788), (20, 4342894), (40, 2171447), (47, 1848040), (94, 924020), (188, 462010), (235, 369608), (376, 231005), (470, 184804), (940, 92402), (983, 88360), (1880, 46201), (1966, 44180), (2209, 39320), (3932, 22090), (4418, 19660), (4915, 17672), (7864, 11045), (8836, 9830)]