25494280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 66407040

約数和(自身を除く): 40912760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1097, 1162, 1660, 2194, 2324, 2905, 3320, 4388, 4648, 5485, 5810, 7679, 8776, 10970, 11620, 15358, 21940, 23240, 30716, 38395, 43880, 61432, 76790, 91051, 153580, 182102, 307160, 364204, 455255, 637357, 728408, 910510, 1274714, 1821020, 2549428, 3186785, 3642040, 5098856, 6373570, 12747140, 25494280]

約数ペア:

[(1, 25494280), (2, 12747140), (4, 6373570), (5, 5098856), (7, 3642040), (8, 3186785), (10, 2549428), (14, 1821020), (20, 1274714), (28, 910510), (35, 728408), (40, 637357), (56, 455255), (70, 364204), (83, 307160), (140, 182102), (166, 153580), (280, 91051), (332, 76790), (415, 61432), (581, 43880), (664, 38395), (830, 30716), (1097, 23240), (1162, 21940), (1660, 15358), (2194, 11620), (2324, 10970), (2905, 8776), (3320, 7679), (4388, 5810), (4648, 5485)]