15997000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 39677040

約数和(自身を除く): 23680040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 941, 1000, 1700, 1882, 2125, 3400, 3764, 4250, 4705, 7528, 8500, 9410, 15997, 17000, 18820, 23525, 31994, 37640, 47050, 63988, 79985, 94100, 117625, 127976, 159970, 188200, 235250, 319940, 399925, 470500, 639880, 799850, 941000, 1599700, 1999625, 3199400, 3999250, 7998500, 15997000]

約数ペア:

[(1, 15997000), (2, 7998500), (4, 3999250), (5, 3199400), (8, 1999625), (10, 1599700), (17, 941000), (20, 799850), (25, 639880), (34, 470500), (40, 399925), (50, 319940), (68, 235250), (85, 188200), (100, 159970), (125, 127976), (136, 117625), (170, 94100), (200, 79985), (250, 63988), (340, 47050), (425, 37640), (500, 31994), (680, 23525), (850, 18820), (941, 17000), (1000, 15997), (1700, 9410), (1882, 8500), (2125, 7528), (3400, 4705), (3764, 4250)]