20508717200

素因数分解:

$2^4\times 5^2\times {\mathrm{11971}}^1\times {\mathrm{4283}}^1$

素因数の和:16272

約数の個数: 60

約数和(自身を含む): 49287814128

約数和(自身を除く): 28779096928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4283, 8566, 11971, 17132, 21415, 23942, 34264, 42830, 47884, 59855, 68528, 85660, 95768, 107075, 119710, 171320, 191536, 214150, 239420, 299275, 342640, 428300, 478840, 598550, 856600, 957680, 1197100, 1713200, 2394200, 4788400, 51271793, 102543586, 205087172, 256358965, 410174344, 512717930, 820348688, 1025435860, 1281794825, 2050871720, 2563589650, 4101743440, 5127179300, 10254358600, 20508717200]

約数ペア:

[(1, 20508717200), (2, 10254358600), (4, 5127179300), (5, 4101743440), (8, 2563589650), (10, 2050871720), (16, 1281794825), (20, 1025435860), (25, 820348688), (40, 512717930), (50, 410174344), (80, 256358965), (100, 205087172), (200, 102543586), (400, 51271793), (4283, 4788400), (8566, 2394200), (11971, 1713200), (17132, 1197100), (21415, 957680), (23942, 856600), (34264, 598550), (42830, 478840), (47884, 428300), (59855, 342640), (68528, 299275), (85660, 239420), (95768, 214150), (107075, 191536), (119710, 171320)]