201490040

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{9311}}^1$

素因数の和:9863

約数の個数: 32

約数和(自身を含む): 454239360

約数和(自身を除く): 252749320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 9311, 10820, 18622, 21640, 37244, 46555, 74488, 93110, 186220, 372440, 5037251, 10074502, 20149004, 25186255, 40298008, 50372510, 100745020, 201490040]

約数ペア:

[(1, 201490040), (2, 100745020), (4, 50372510), (5, 40298008), (8, 25186255), (10, 20149004), (20, 10074502), (40, 5037251), (541, 372440), (1082, 186220), (2164, 93110), (2705, 74488), (4328, 46555), (5410, 37244), (9311, 21640), (10820, 18622)]