9879560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 22599000

約数和(自身を除く): 12719440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4049, 8098, 16196, 20245, 32392, 40490, 80980, 161960, 246989, 493978, 987956, 1234945, 1975912, 2469890, 4939780, 9879560]

約数ペア:

[(1, 9879560), (2, 4939780), (4, 2469890), (5, 1975912), (8, 1234945), (10, 987956), (20, 493978), (40, 246989), (61, 161960), (122, 80980), (244, 40490), (305, 32392), (488, 20245), (610, 16196), (1220, 8098), (2440, 4049)]