12904640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{823}}^1$

素因数の和:854

約数の個数: 84

約数和(自身を含む): 35789616

約数和(自身を除く): 22884976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 823, 980, 1120, 1568, 1646, 1960, 2240, 3136, 3292, 3920, 4115, 5761, 6584, 7840, 8230, 11522, 13168, 15680, 16460, 23044, 26336, 28805, 32920, 40327, 46088, 52672, 57610, 65840, 80654, 92176, 115220, 131680, 161308, 184352, 201635, 230440, 263360, 322616, 368704, 403270, 460880, 645232, 806540, 921760, 1290464, 1613080, 1843520, 2580928, 3226160, 6452320, 12904640]

約数ペア:

[(1, 12904640), (2, 6452320), (4, 3226160), (5, 2580928), (7, 1843520), (8, 1613080), (10, 1290464), (14, 921760), (16, 806540), (20, 645232), (28, 460880), (32, 403270), (35, 368704), (40, 322616), (49, 263360), (56, 230440), (64, 201635), (70, 184352), (80, 161308), (98, 131680), (112, 115220), (140, 92176), (160, 80654), (196, 65840), (224, 57610), (245, 52672), (280, 46088), (320, 40327), (392, 32920), (448, 28805), (490, 26336), (560, 23044), (784, 16460), (823, 15680), (980, 13168), (1120, 11522), (1568, 8230), (1646, 7840), (1960, 6584), (2240, 5761), (3136, 4115), (3292, 3920)]