996834320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{175499}}^1$

素因数の和:175583

約数の個数: 40

約数和(自身を含む): 2350296000

約数和(自身を除く): 1353461680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 175499, 350998, 701996, 877495, 1403992, 1754990, 2807984, 3509980, 7019960, 12460429, 14039920, 24920858, 49841716, 62302145, 99683432, 124604290, 199366864, 249208580, 498417160, 996834320]

約数ペア:

[(1, 996834320), (2, 498417160), (4, 249208580), (5, 199366864), (8, 124604290), (10, 99683432), (16, 62302145), (20, 49841716), (40, 24920858), (71, 14039920), (80, 12460429), (142, 7019960), (284, 3509980), (355, 2807984), (568, 1754990), (710, 1403992), (1136, 877495), (1420, 701996), (2840, 350998), (5680, 175499)]