668440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 1594080

約数和(自身を除く): 925640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 983, 1966, 3932, 4915, 7864, 9830, 16711, 19660, 33422, 39320, 66844, 83555, 133688, 167110, 334220, 668440]

約数ペア:

[(1, 668440), (2, 334220), (4, 167110), (5, 133688), (8, 83555), (10, 66844), (17, 39320), (20, 33422), (34, 19660), (40, 16711), (68, 9830), (85, 7864), (136, 4915), (170, 3932), (340, 1966), (680, 983)]