4945880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2027}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 11316240

約数和(自身を除く): 6370360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2027, 2440, 4054, 8108, 10135, 16216, 20270, 40540, 81080, 123647, 247294, 494588, 618235, 989176, 1236470, 2472940, 4945880]

約数ペア:

[(1, 4945880), (2, 2472940), (4, 1236470), (5, 989176), (8, 618235), (10, 494588), (20, 247294), (40, 123647), (61, 81080), (122, 40540), (244, 20270), (305, 16216), (488, 10135), (610, 8108), (1220, 4054), (2027, 2440)]