201921040

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{11119}}^1$

素因数の和:11359

約数の個数: 40

約数和(自身を含む): 471576960

約数和(自身を除く): 269655920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 9080, 11119, 18160, 22238, 44476, 55595, 88952, 111190, 177904, 222380, 444760, 889520, 2524013, 5048026, 10096052, 12620065, 20192104, 25240130, 40384208, 50480260, 100960520, 201921040]

約数ペア:

[(1, 201921040), (2, 100960520), (4, 50480260), (5, 40384208), (8, 25240130), (10, 20192104), (16, 12620065), (20, 10096052), (40, 5048026), (80, 2524013), (227, 889520), (454, 444760), (908, 222380), (1135, 177904), (1816, 111190), (2270, 88952), (3632, 55595), (4540, 44476), (9080, 22238), (11119, 18160)]