25988620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 66304224

約数和(自身を除く): 40315604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1153, 1610, 2254, 2306, 3220, 4508, 4612, 5635, 5765, 8071, 11270, 11530, 16142, 22540, 23060, 26519, 32284, 40355, 53038, 56497, 80710, 106076, 112994, 132595, 161420, 185633, 225988, 265190, 282485, 371266, 530380, 564970, 742532, 928165, 1129940, 1299431, 1856330, 2598862, 3712660, 5197724, 6497155, 12994310, 25988620]

約数ペア:

[(1, 25988620), (2, 12994310), (4, 6497155), (5, 5197724), (7, 3712660), (10, 2598862), (14, 1856330), (20, 1299431), (23, 1129940), (28, 928165), (35, 742532), (46, 564970), (49, 530380), (70, 371266), (92, 282485), (98, 265190), (115, 225988), (140, 185633), (161, 161420), (196, 132595), (230, 112994), (245, 106076), (322, 80710), (460, 56497), (490, 53038), (644, 40355), (805, 32284), (980, 26519), (1127, 23060), (1153, 22540), (1610, 16142), (2254, 11530), (2306, 11270), (3220, 8071), (4508, 5765), (4612, 5635)]