80361640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2579}}^1$

素因数の和:2650

約数の個数: 64

約数和(自身を含む): 195048000

約数和(自身を除く): 114686360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2579, 3116, 3895, 5158, 6232, 7790, 10316, 12895, 15580, 20632, 25790, 31160, 49001, 51580, 98002, 103160, 105739, 196004, 211478, 245005, 392008, 422956, 490010, 528695, 845912, 980020, 1057390, 1960040, 2009041, 2114780, 4018082, 4229560, 8036164, 10045205, 16072328, 20090410, 40180820, 80361640]

約数ペア:

[(1, 80361640), (2, 40180820), (4, 20090410), (5, 16072328), (8, 10045205), (10, 8036164), (19, 4229560), (20, 4018082), (38, 2114780), (40, 2009041), (41, 1960040), (76, 1057390), (82, 980020), (95, 845912), (152, 528695), (164, 490010), (190, 422956), (205, 392008), (328, 245005), (380, 211478), (410, 196004), (760, 105739), (779, 103160), (820, 98002), (1558, 51580), (1640, 49001), (2579, 31160), (3116, 25790), (3895, 20632), (5158, 15580), (6232, 12895), (7790, 10316)]