25021480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 67132800

約数和(自身を除く): 42111320

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 41, 44, 55, 73, 76, 82, 88, 95, 110, 146, 152, 164, 190, 205, 209, 220, 292, 328, 365, 380, 410, 418, 440, 451, 584, 730, 760, 779, 803, 820, 836, 902, 1045, 1387, 1460, 1558, 1606, 1640, 1672, 1804, 2090, 2255, 2774, 2920, 2993, 3116, 3212, 3608, 3895, 4015, 4180, 4510, 5548, 5986, 6232, 6424, 6935, 7790, 8030, 8360, 8569, 9020, 11096, 11972, 13870, 14965, 15257, 15580, 16060, 17138, 18040, 23944, 27740, 29930, 30514, 31160, 32120, 32923, 34276, 42845, 55480, 56867, 59860, 61028, 65846, 68552, 76285, 85690, 113734, 119720, 122056, 131692, 152570, 164615, 171380, 227468, 263384, 284335, 305140, 329230, 342760, 454936, 568670, 610280, 625537, 658460, 1137340, 1251074, 1316920, 2274680, 2502148, 3127685, 5004296, 6255370, 12510740, 25021480]

約数ペア:

[(1, 25021480), (2, 12510740), (4, 6255370), (5, 5004296), (8, 3127685), (10, 2502148), (11, 2274680), (19, 1316920), (20, 1251074), (22, 1137340), (38, 658460), (40, 625537), (41, 610280), (44, 568670), (55, 454936), (73, 342760), (76, 329230), (82, 305140), (88, 284335), (95, 263384), (110, 227468), (146, 171380), (152, 164615), (164, 152570), (190, 131692), (205, 122056), (209, 119720), (220, 113734), (292, 85690), (328, 76285), (365, 68552), (380, 65846), (410, 61028), (418, 59860), (440, 56867), (451, 55480), (584, 42845), (730, 34276), (760, 32923), (779, 32120), (803, 31160), (820, 30514), (836, 29930), (902, 27740), (1045, 23944), (1387, 18040), (1460, 17138), (1558, 16060), (1606, 15580), (1640, 15257), (1672, 14965), (1804, 13870), (2090, 11972), (2255, 11096), (2774, 9020), (2920, 8569), (2993, 8360), (3116, 8030), (3212, 7790), (3608, 6935), (3895, 6424), (4015, 6232), (4180, 5986), (4510, 5548)]