20938045280

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1\times {\mathrm{1579}}^1$

素因数の和:2236

約数の個数: 96

約数和(自身を含む): 49881484800

約数和(自身を除く): 28943439520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 463, 716, 895, 926, 1432, 1579, 1790, 1852, 2315, 2864, 3158, 3580, 3704, 4630, 5728, 6316, 7160, 7408, 7895, 9260, 12632, 14320, 14816, 15790, 18520, 25264, 28640, 31580, 37040, 50528, 63160, 74080, 82877, 126320, 165754, 252640, 282641, 331508, 414385, 565282, 663016, 731077, 828770, 1130564, 1326032, 1413205, 1462154, 1657540, 2261128, 2652064, 2826410, 2924308, 3315080, 3655385, 4522256, 5652820, 5848616, 6630160, 7310770, 9044512, 11305640, 11697232, 13260320, 14621540, 22611280, 23394464, 29243080, 45222560, 58486160, 116972320, 130862783, 261725566, 523451132, 654313915, 1046902264, 1308627830, 2093804528, 2617255660, 4187609056, 5234511320, 10469022640, 20938045280]

約数ペア:

[(1, 20938045280), (2, 10469022640), (4, 5234511320), (5, 4187609056), (8, 2617255660), (10, 2093804528), (16, 1308627830), (20, 1046902264), (32, 654313915), (40, 523451132), (80, 261725566), (160, 130862783), (179, 116972320), (358, 58486160), (463, 45222560), (716, 29243080), (895, 23394464), (926, 22611280), (1432, 14621540), (1579, 13260320), (1790, 11697232), (1852, 11305640), (2315, 9044512), (2864, 7310770), (3158, 6630160), (3580, 5848616), (3704, 5652820), (4630, 4522256), (5728, 3655385), (6316, 3315080), (7160, 2924308), (7408, 2826410), (7895, 2652064), (9260, 2261128), (12632, 1657540), (14320, 1462154), (14816, 1413205), (15790, 1326032), (18520, 1130564), (25264, 828770), (28640, 731077), (31580, 663016), (37040, 565282), (50528, 414385), (63160, 331508), (74080, 282641), (82877, 252640), (126320, 165754)]