25426380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60539}}^1$

素因数の和:60558

約数の個数: 48

約数和(自身を含む): 81365760

約数和(自身を除く): 55939380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 60539, 121078, 181617, 242156, 302695, 363234, 423773, 605390, 726468, 847546, 908085, 1210780, 1271319, 1695092, 1816170, 2118865, 2542638, 3632340, 4237730, 5085276, 6356595, 8475460, 12713190, 25426380]

約数ペア:

[(1, 25426380), (2, 12713190), (3, 8475460), (4, 6356595), (5, 5085276), (6, 4237730), (7, 3632340), (10, 2542638), (12, 2118865), (14, 1816170), (15, 1695092), (20, 1271319), (21, 1210780), (28, 908085), (30, 847546), (35, 726468), (42, 605390), (60, 423773), (70, 363234), (84, 302695), (105, 242156), (140, 181617), (210, 121078), (420, 60539)]