8665120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1793

約数の個数: 48

約数和(自身を含む): 21143808

約数和(自身を除く): 12478688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1747, 2480, 3494, 4960, 6988, 8735, 13976, 17470, 27952, 34940, 54157, 55904, 69880, 108314, 139760, 216628, 270785, 279520, 433256, 541570, 866512, 1083140, 1733024, 2166280, 4332560, 8665120]

約数ペア:

[(1, 8665120), (2, 4332560), (4, 2166280), (5, 1733024), (8, 1083140), (10, 866512), (16, 541570), (20, 433256), (31, 279520), (32, 270785), (40, 216628), (62, 139760), (80, 108314), (124, 69880), (155, 55904), (160, 54157), (248, 34940), (310, 27952), (496, 17470), (620, 13976), (992, 8735), (1240, 6988), (1747, 4960), (2480, 3494)]