128016250

素因数分解:

$2^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2248

約数の個数: 40

約数和(自身を含む): 245171520

約数和(自身を除く): 117155270

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 125, 235, 250, 470, 625, 1175, 1250, 2179, 2350, 4358, 5875, 10895, 11750, 21790, 29375, 54475, 58750, 102413, 108950, 204826, 272375, 512065, 544750, 1024130, 1361875, 2560325, 2723750, 5120650, 12801625, 25603250, 64008125, 128016250]

約数ペア:

[(1, 128016250), (2, 64008125), (5, 25603250), (10, 12801625), (25, 5120650), (47, 2723750), (50, 2560325), (94, 1361875), (125, 1024130), (235, 544750), (250, 512065), (470, 272375), (625, 204826), (1175, 108950), (1250, 102413), (2179, 58750), (2350, 54475), (4358, 29375), (5875, 21790), (10895, 11750)]