66079120

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1021}}^1$

素因数の和:1843

約数の個数: 40

約数和(自身を含む): 153974520

約数和(自身を除く): 87895400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1021, 1618, 2042, 3236, 4045, 4084, 5105, 6472, 8090, 8168, 10210, 12944, 16180, 16336, 20420, 32360, 40840, 64720, 81680, 825989, 1651978, 3303956, 4129945, 6607912, 8259890, 13215824, 16519780, 33039560, 66079120]

約数ペア:

[(1, 66079120), (2, 33039560), (4, 16519780), (5, 13215824), (8, 8259890), (10, 6607912), (16, 4129945), (20, 3303956), (40, 1651978), (80, 825989), (809, 81680), (1021, 64720), (1618, 40840), (2042, 32360), (3236, 20420), (4045, 16336), (4084, 16180), (5105, 12944), (6472, 10210), (8090, 8168)]