25353580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 63546336

約数和(自身を除く): 38192756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 631, 820, 980, 1148, 1262, 1435, 2009, 2524, 2870, 3155, 4018, 4417, 5740, 6310, 8036, 8834, 10045, 12620, 17668, 20090, 22085, 25871, 30919, 40180, 44170, 51742, 61838, 88340, 103484, 123676, 129355, 154595, 181097, 258710, 309190, 362194, 517420, 618380, 724388, 905485, 1267679, 1810970, 2535358, 3621940, 5070716, 6338395, 12676790, 25353580]

約数ペア:

[(1, 25353580), (2, 12676790), (4, 6338395), (5, 5070716), (7, 3621940), (10, 2535358), (14, 1810970), (20, 1267679), (28, 905485), (35, 724388), (41, 618380), (49, 517420), (70, 362194), (82, 309190), (98, 258710), (140, 181097), (164, 154595), (196, 129355), (205, 123676), (245, 103484), (287, 88340), (410, 61838), (490, 51742), (574, 44170), (631, 40180), (820, 30919), (980, 25871), (1148, 22085), (1262, 20090), (1435, 17668), (2009, 12620), (2524, 10045), (2870, 8834), (3155, 8036), (4018, 6310), (4417, 5740)]