201801520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{16067}}^1$

素因数の和:16237

約数の個数: 40

約数和(自身を含む): 472206384

約数和(自身を除く): 270404864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 16067, 32134, 64268, 80335, 128536, 160670, 257072, 321340, 642680, 1285360, 2522519, 5045038, 10090076, 12612595, 20180152, 25225190, 40360304, 50450380, 100900760, 201801520]

約数ペア:

[(1, 201801520), (2, 100900760), (4, 50450380), (5, 40360304), (8, 25225190), (10, 20180152), (16, 12612595), (20, 10090076), (40, 5045038), (80, 2522519), (157, 1285360), (314, 642680), (628, 321340), (785, 257072), (1256, 160670), (1570, 128536), (2512, 80335), (3140, 64268), (6280, 32134), (12560, 16067)]