25571055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 20877585

約数列:

[1, 3, 5, 15, 19, 23, 47, 57, 69, 83, 95, 115, 141, 235, 249, 285, 345, 415, 437, 705, 893, 1081, 1245, 1311, 1577, 1909, 2185, 2679, 3243, 3901, 4465, 4731, 5405, 5727, 6555, 7885, 9545, 11703, 13395, 16215, 19505, 20539, 23655, 28635, 36271, 58515, 61617, 74119, 89723, 102695, 108813, 181355, 222357, 269169, 308085, 370595, 448615, 544065, 1111785, 1345845, 1704737, 5114211, 8523685, 25571055]

約数ペア:

[(1, 25571055), (3, 8523685), (5, 5114211), (15, 1704737), (19, 1345845), (23, 1111785), (47, 544065), (57, 448615), (69, 370595), (83, 308085), (95, 269169), (115, 222357), (141, 181355), (235, 108813), (249, 102695), (285, 89723), (345, 74119), (415, 61617), (437, 58515), (705, 36271), (893, 28635), (1081, 23655), (1245, 20539), (1311, 19505), (1577, 16215), (1909, 13395), (2185, 11703), (2679, 9545), (3243, 7885), (3901, 6555), (4465, 5727), (4731, 5405)]