15902090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 29462400

約数和(自身を除く): 13560310

約数列:

[1, 2, 5, 10, 61, 122, 131, 199, 262, 305, 398, 610, 655, 995, 1310, 1990, 7991, 12139, 15982, 24278, 26069, 39955, 52138, 60695, 79910, 121390, 130345, 260690, 1590209, 3180418, 7951045, 15902090]

約数ペア:

[(1, 15902090), (2, 7951045), (5, 3180418), (10, 1590209), (61, 260690), (122, 130345), (131, 121390), (199, 79910), (262, 60695), (305, 52138), (398, 39955), (610, 26069), (655, 24278), (995, 15982), (1310, 12139), (1990, 7991)]