521003920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89213}}^1$

素因数の和:89299

約数の個数: 40

約数和(自身を含む): 1227941496

約数和(自身を除く): 706937576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 89213, 178426, 356852, 446065, 713704, 892130, 1427408, 1784260, 3568520, 6512549, 7137040, 13025098, 26050196, 32562745, 52100392, 65125490, 104200784, 130250980, 260501960, 521003920]

約数ペア:

[(1, 521003920), (2, 260501960), (4, 130250980), (5, 104200784), (8, 65125490), (10, 52100392), (16, 32562745), (20, 26050196), (40, 13025098), (73, 7137040), (80, 6512549), (146, 3568520), (292, 1784260), (365, 1427408), (584, 892130), (730, 713704), (1168, 446065), (1460, 356852), (2920, 178426), (5840, 89213)]