28319960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41647}}^1$

素因数の和:41675

約数の個数: 32

約数和(自身を含む): 67469760

約数和(自身を除く): 39149800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41647, 83294, 166588, 208235, 333176, 416470, 707999, 832940, 1415998, 1665880, 2831996, 3539995, 5663992, 7079990, 14159980, 28319960]

約数ペア:

[(1, 28319960), (2, 14159980), (4, 7079990), (5, 5663992), (8, 3539995), (10, 2831996), (17, 1665880), (20, 1415998), (34, 832940), (40, 707999), (68, 416470), (85, 333176), (136, 208235), (170, 166588), (340, 83294), (680, 41647)]