7871320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10357}}^1$

素因数の和:10387

約数の個数: 32

約数和(自身を含む): 18644400

約数和(自身を除く): 10773080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 10357, 20714, 41428, 51785, 82856, 103570, 196783, 207140, 393566, 414280, 787132, 983915, 1574264, 1967830, 3935660, 7871320]

約数ペア:

[(1, 7871320), (2, 3935660), (4, 1967830), (5, 1574264), (8, 983915), (10, 787132), (19, 414280), (20, 393566), (38, 207140), (40, 196783), (76, 103570), (95, 82856), (152, 51785), (190, 41428), (380, 20714), (760, 10357)]