12793396120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1\times {\mathrm{5227}}^1$

素因数の和:6704

約数の個数: 64

約数和(自身を含む): 29480901120

約数和(自身を除く): 16687505000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1423, 1720, 2846, 5227, 5692, 7115, 10454, 11384, 14230, 20908, 26135, 28460, 41816, 52270, 56920, 61189, 104540, 122378, 209080, 224761, 244756, 305945, 449522, 489512, 611890, 899044, 1123805, 1223780, 1798088, 2247610, 2447560, 4495220, 7438021, 8990440, 14876042, 29752084, 37190105, 59504168, 74380210, 148760420, 297520840, 319834903, 639669806, 1279339612, 1599174515, 2558679224, 3198349030, 6396698060, 12793396120]

約数ペア:

[(1, 12793396120), (2, 6396698060), (4, 3198349030), (5, 2558679224), (8, 1599174515), (10, 1279339612), (20, 639669806), (40, 319834903), (43, 297520840), (86, 148760420), (172, 74380210), (215, 59504168), (344, 37190105), (430, 29752084), (860, 14876042), (1423, 8990440), (1720, 7438021), (2846, 4495220), (5227, 2447560), (5692, 2247610), (7115, 1798088), (10454, 1223780), (11384, 1123805), (14230, 899044), (20908, 611890), (26135, 489512), (28460, 449522), (41816, 305945), (52270, 244756), (56920, 224761), (61189, 209080), (104540, 122378)]