78321440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21283}}^1$

素因数の和:21321

約数の個数: 48

約数和(自身を含む): 193088448

約数和(自身を除く): 114767008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21283, 42566, 85132, 106415, 170264, 212830, 340528, 425660, 489509, 681056, 851320, 979018, 1702640, 1958036, 2447545, 3405280, 3916072, 4895090, 7832144, 9790180, 15664288, 19580360, 39160720, 78321440]

約数ペア:

[(1, 78321440), (2, 39160720), (4, 19580360), (5, 15664288), (8, 9790180), (10, 7832144), (16, 4895090), (20, 3916072), (23, 3405280), (32, 2447545), (40, 1958036), (46, 1702640), (80, 979018), (92, 851320), (115, 681056), (160, 489509), (184, 425660), (230, 340528), (368, 212830), (460, 170264), (736, 106415), (920, 85132), (1840, 42566), (3680, 21283)]