9891760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2027}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 23386896

約数和(自身を除く): 13495136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2027, 2440, 4054, 4880, 8108, 10135, 16216, 20270, 32432, 40540, 81080, 123647, 162160, 247294, 494588, 618235, 989176, 1236470, 1978352, 2472940, 4945880, 9891760]

約数ペア:

[(1, 9891760), (2, 4945880), (4, 2472940), (5, 1978352), (8, 1236470), (10, 989176), (16, 618235), (20, 494588), (40, 247294), (61, 162160), (80, 123647), (122, 81080), (244, 40540), (305, 32432), (488, 20270), (610, 16216), (976, 10135), (1220, 8108), (2027, 4880), (2440, 4054)]