49509980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1747}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 113060640

約数和(自身を除く): 63550660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 1747, 2180, 2834, 3494, 5668, 6988, 7085, 8735, 14170, 17470, 22711, 28340, 34940, 45422, 90844, 113555, 190423, 227110, 380846, 454220, 761692, 952115, 1904230, 2475499, 3808460, 4950998, 9901996, 12377495, 24754990, 49509980]

約数ペア:

[(1, 49509980), (2, 24754990), (4, 12377495), (5, 9901996), (10, 4950998), (13, 3808460), (20, 2475499), (26, 1904230), (52, 952115), (65, 761692), (109, 454220), (130, 380846), (218, 227110), (260, 190423), (436, 113555), (545, 90844), (1090, 45422), (1417, 34940), (1747, 28340), (2180, 22711), (2834, 17470), (3494, 14170), (5668, 8735), (6988, 7085)]