25581220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 66124800

約数和(自身を除く): 40543580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 59, 70, 76, 95, 118, 133, 140, 163, 190, 236, 266, 295, 326, 380, 413, 532, 590, 652, 665, 815, 826, 1121, 1141, 1180, 1330, 1630, 1652, 2065, 2242, 2282, 2660, 3097, 3260, 4130, 4484, 4564, 5605, 5705, 6194, 7847, 8260, 9617, 11210, 11410, 12388, 15485, 15694, 19234, 21679, 22420, 22820, 30970, 31388, 38468, 39235, 43358, 48085, 61940, 67319, 78470, 86716, 96170, 108395, 134638, 156940, 182723, 192340, 216790, 269276, 336595, 365446, 433580, 673190, 730892, 913615, 1279061, 1346380, 1827230, 2558122, 3654460, 5116244, 6395305, 12790610, 25581220]

約数ペア:

[(1, 25581220), (2, 12790610), (4, 6395305), (5, 5116244), (7, 3654460), (10, 2558122), (14, 1827230), (19, 1346380), (20, 1279061), (28, 913615), (35, 730892), (38, 673190), (59, 433580), (70, 365446), (76, 336595), (95, 269276), (118, 216790), (133, 192340), (140, 182723), (163, 156940), (190, 134638), (236, 108395), (266, 96170), (295, 86716), (326, 78470), (380, 67319), (413, 61940), (532, 48085), (590, 43358), (652, 39235), (665, 38468), (815, 31388), (826, 30970), (1121, 22820), (1141, 22420), (1180, 21679), (1330, 19234), (1630, 15694), (1652, 15485), (2065, 12388), (2242, 11410), (2282, 11210), (2660, 9617), (3097, 8260), (3260, 7847), (4130, 6194), (4484, 5705), (4564, 5605)]