54311960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22259}}^1$

素因数の和:22331

約数の個数: 32

約数和(自身を含む): 124210800

約数和(自身を除く): 69898840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 22259, 44518, 89036, 111295, 178072, 222590, 445180, 890360, 1357799, 2715598, 5431196, 6788995, 10862392, 13577990, 27155980, 54311960]

約数ペア:

[(1, 54311960), (2, 27155980), (4, 13577990), (5, 10862392), (8, 6788995), (10, 5431196), (20, 2715598), (40, 1357799), (61, 890360), (122, 445180), (244, 222590), (305, 178072), (488, 111295), (610, 89036), (1220, 44518), (2440, 22259)]