80912650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17783}}^1$

素因数の和:17815

約数の個数: 48

約数和(自身を含む): 185238144

約数和(自身を除く): 104325494

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 17783, 35566, 88915, 124481, 177830, 231179, 248962, 444575, 462358, 622405, 889150, 1155895, 1244810, 1618253, 2311790, 3112025, 3236506, 5779475, 6224050, 8091265, 11558950, 16182530, 40456325, 80912650]

約数ペア:

[(1, 80912650), (2, 40456325), (5, 16182530), (7, 11558950), (10, 8091265), (13, 6224050), (14, 5779475), (25, 3236506), (26, 3112025), (35, 2311790), (50, 1618253), (65, 1244810), (70, 1155895), (91, 889150), (130, 622405), (175, 462358), (182, 444575), (325, 248962), (350, 231179), (455, 177830), (650, 124481), (910, 88915), (2275, 35566), (4550, 17783)]