9927140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 21665280

約数和(自身を除く): 11738140

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 103, 122, 158, 206, 244, 305, 316, 395, 412, 515, 610, 790, 1030, 1220, 1580, 2060, 4819, 6283, 8137, 9638, 12566, 16274, 19276, 24095, 25132, 31415, 32548, 40685, 48190, 62830, 81370, 96380, 125660, 162740, 496357, 992714, 1985428, 2481785, 4963570, 9927140]

約数ペア:

[(1, 9927140), (2, 4963570), (4, 2481785), (5, 1985428), (10, 992714), (20, 496357), (61, 162740), (79, 125660), (103, 96380), (122, 81370), (158, 62830), (206, 48190), (244, 40685), (305, 32548), (316, 31415), (395, 25132), (412, 24095), (515, 19276), (610, 16274), (790, 12566), (1030, 9638), (1220, 8137), (1580, 6283), (2060, 4819)]