25871580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20533}}^1$

素因数の和:20555

約数の個数: 72

約数和(自身を含む): 89692512

約数和(自身を除く): 63820932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20533, 41066, 61599, 82132, 102665, 123198, 143731, 184797, 205330, 246396, 287462, 307995, 369594, 410660, 431193, 574924, 615990, 718655, 739188, 862386, 923985, 1231980, 1293579, 1437310, 1724772, 1847970, 2155965, 2587158, 2874620, 3695940, 4311930, 5174316, 6467895, 8623860, 12935790, 25871580]

約数ペア:

[(1, 25871580), (2, 12935790), (3, 8623860), (4, 6467895), (5, 5174316), (6, 4311930), (7, 3695940), (9, 2874620), (10, 2587158), (12, 2155965), (14, 1847970), (15, 1724772), (18, 1437310), (20, 1293579), (21, 1231980), (28, 923985), (30, 862386), (35, 739188), (36, 718655), (42, 615990), (45, 574924), (60, 431193), (63, 410660), (70, 369594), (84, 307995), (90, 287462), (105, 246396), (126, 205330), (140, 184797), (180, 143731), (210, 123198), (252, 102665), (315, 82132), (420, 61599), (630, 41066), (1260, 20533)]