25118990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 27522802

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 271, 299, 310, 403, 542, 598, 713, 806, 1355, 1426, 1495, 2015, 2710, 2990, 3523, 3565, 4030, 6233, 7046, 7130, 8401, 9269, 12466, 16802, 17615, 18538, 31165, 35230, 42005, 46345, 62330, 81029, 84010, 92690, 109213, 162058, 193223, 218426, 386446, 405145, 546065, 810290, 966115, 1092130, 1932230, 2511899, 5023798, 12559495, 25118990]

約数ペア:

[(1, 25118990), (2, 12559495), (5, 5023798), (10, 2511899), (13, 1932230), (23, 1092130), (26, 966115), (31, 810290), (46, 546065), (62, 405145), (65, 386446), (115, 218426), (130, 193223), (155, 162058), (230, 109213), (271, 92690), (299, 84010), (310, 81029), (403, 62330), (542, 46345), (598, 42005), (713, 35230), (806, 31165), (1355, 18538), (1426, 17615), (1495, 16802), (2015, 12466), (2710, 9269), (2990, 8401), (3523, 7130), (3565, 7046), (4030, 6233)]