204931040

素因数分解:

$2^5\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2251}}^1$

素因数の和:2835

約数の個数: 48

約数和(自身を含む): 485215920

約数和(自身を除く): 280284880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 569, 1138, 2251, 2276, 2845, 4502, 4552, 5690, 9004, 9104, 11255, 11380, 18008, 18208, 22510, 22760, 36016, 45020, 45520, 72032, 90040, 91040, 180080, 360160, 1280819, 2561638, 5123276, 6404095, 10246552, 12808190, 20493104, 25616380, 40986208, 51232760, 102465520, 204931040]

約数ペア:

[(1, 204931040), (2, 102465520), (4, 51232760), (5, 40986208), (8, 25616380), (10, 20493104), (16, 12808190), (20, 10246552), (32, 6404095), (40, 5123276), (80, 2561638), (160, 1280819), (569, 360160), (1138, 180080), (2251, 91040), (2276, 90040), (2845, 72032), (4502, 45520), (4552, 45020), (5690, 36016), (9004, 22760), (9104, 22510), (11255, 18208), (11380, 18008)]