25047715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 16009565

約数列:

[1, 5, 7, 11, 17, 35, 43, 55, 77, 85, 89, 119, 187, 215, 301, 385, 445, 473, 595, 623, 731, 935, 979, 1309, 1505, 1513, 2365, 3115, 3311, 3655, 3827, 4895, 5117, 6545, 6853, 7565, 8041, 10591, 16555, 16643, 19135, 25585, 26789, 34265, 40205, 42097, 52955, 56287, 65059, 83215, 116501, 133945, 210485, 281435, 294679, 325295, 455413, 582505, 715649, 1473395, 2277065, 3578245, 5009543, 25047715]

約数ペア:

[(1, 25047715), (5, 5009543), (7, 3578245), (11, 2277065), (17, 1473395), (35, 715649), (43, 582505), (55, 455413), (77, 325295), (85, 294679), (89, 281435), (119, 210485), (187, 133945), (215, 116501), (301, 83215), (385, 65059), (445, 56287), (473, 52955), (595, 42097), (623, 40205), (731, 34265), (935, 26789), (979, 25585), (1309, 19135), (1505, 16643), (1513, 16555), (2365, 10591), (3115, 8041), (3311, 7565), (3655, 6853), (3827, 6545), (4895, 5117)]