20130371728

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1712

約数の個数: 80

約数和(自身を含む): 40283136000

約数和(自身を除く): 20152764272

約数列:

[1, 2, 4, 8, 16, 79, 89, 127, 158, 178, 254, 316, 356, 508, 632, 712, 1016, 1264, 1409, 1424, 2032, 2818, 5636, 7031, 10033, 11272, 11303, 14062, 20066, 22544, 22606, 28124, 40132, 45212, 56248, 80264, 90424, 111311, 112496, 125401, 160528, 178943, 180848, 222622, 250802, 357886, 445244, 501604, 715772, 890488, 892937, 1003208, 1431544, 1780976, 1785874, 2006416, 2863088, 3571748, 7143496, 9906679, 14136497, 14286992, 15925927, 19813358, 28272994, 31851854, 39626716, 56545988, 63703708, 79253432, 113091976, 127407416, 158506864, 226183952, 254814832, 1258148233, 2516296466, 5032592932, 10065185864, 20130371728]

約数ペア:

[(1, 20130371728), (2, 10065185864), (4, 5032592932), (8, 2516296466), (16, 1258148233), (79, 254814832), (89, 226183952), (127, 158506864), (158, 127407416), (178, 113091976), (254, 79253432), (316, 63703708), (356, 56545988), (508, 39626716), (632, 31851854), (712, 28272994), (1016, 19813358), (1264, 15925927), (1409, 14286992), (1424, 14136497), (2032, 9906679), (2818, 7143496), (5636, 3571748), (7031, 2863088), (10033, 2006416), (11272, 1785874), (11303, 1780976), (14062, 1431544), (20066, 1003208), (22544, 892937), (22606, 890488), (28124, 715772), (40132, 501604), (45212, 445244), (56248, 357886), (80264, 250802), (90424, 222622), (111311, 180848), (112496, 178943), (125401, 160528)]