5214280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 11930040

約数和(自身を除く): 6715760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2137, 2440, 4274, 8548, 10685, 17096, 21370, 42740, 85480, 130357, 260714, 521428, 651785, 1042856, 1303570, 2607140, 5214280]

約数ペア:

[(1, 5214280), (2, 2607140), (4, 1303570), (5, 1042856), (8, 651785), (10, 521428), (20, 260714), (40, 130357), (61, 85480), (122, 42740), (244, 21370), (305, 17096), (488, 10685), (610, 8548), (1220, 4274), (2137, 2440)]