8951020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 20462400

約数和(自身を除く): 11511380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 199, 260, 346, 398, 692, 796, 865, 995, 1730, 1990, 2249, 2587, 3460, 3980, 4498, 5174, 8996, 10348, 11245, 12935, 22490, 25870, 34427, 44980, 51740, 68854, 137708, 172135, 344270, 447551, 688540, 895102, 1790204, 2237755, 4475510, 8951020]

約数ペア:

[(1, 8951020), (2, 4475510), (4, 2237755), (5, 1790204), (10, 895102), (13, 688540), (20, 447551), (26, 344270), (52, 172135), (65, 137708), (130, 68854), (173, 51740), (199, 44980), (260, 34427), (346, 25870), (398, 22490), (692, 12935), (796, 11245), (865, 10348), (995, 8996), (1730, 5174), (1990, 4498), (2249, 3980), (2587, 3460)]