79985000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:984

約数の個数: 80

約数和(自身を含む): 198639540

約数和(自身を除く): 118654540

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, 625, 680, 850, 941, 1000, 1250, 1700, 1882, 2125, 2500, 3400, 3764, 4250, 4705, 5000, 7528, 8500, 9410, 10625, 15997, 17000, 18820, 21250, 23525, 31994, 37640, 42500, 47050, 63988, 79985, 85000, 94100, 117625, 127976, 159970, 188200, 235250, 319940, 399925, 470500, 588125, 639880, 799850, 941000, 1176250, 1599700, 1999625, 2352500, 3199400, 3999250, 4705000, 7998500, 9998125, 15997000, 19996250, 39992500, 79985000]

約数ペア:

[(1, 79985000), (2, 39992500), (4, 19996250), (5, 15997000), (8, 9998125), (10, 7998500), (17, 4705000), (20, 3999250), (25, 3199400), (34, 2352500), (40, 1999625), (50, 1599700), (68, 1176250), (85, 941000), (100, 799850), (125, 639880), (136, 588125), (170, 470500), (200, 399925), (250, 319940), (340, 235250), (425, 188200), (500, 159970), (625, 127976), (680, 117625), (850, 94100), (941, 85000), (1000, 79985), (1250, 63988), (1700, 47050), (1882, 42500), (2125, 37640), (2500, 31994), (3400, 23525), (3764, 21250), (4250, 18820), (4705, 17000), (5000, 15997), (7528, 10625), (8500, 9410)]