80701780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2380

約数の個数: 48

約数和(自身を含む): 178269840

約数和(自身を除く): 97568060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 2281, 3538, 4562, 7076, 8845, 9124, 11405, 17690, 22810, 35380, 45620, 66149, 132298, 139141, 264596, 278282, 330745, 556564, 661490, 695705, 1322980, 1391410, 2782820, 4035089, 8070178, 16140356, 20175445, 40350890, 80701780]

約数ペア:

[(1, 80701780), (2, 40350890), (4, 20175445), (5, 16140356), (10, 8070178), (20, 4035089), (29, 2782820), (58, 1391410), (61, 1322980), (116, 695705), (122, 661490), (145, 556564), (244, 330745), (290, 278282), (305, 264596), (580, 139141), (610, 132298), (1220, 66149), (1769, 45620), (2281, 35380), (3538, 22810), (4562, 17690), (7076, 11405), (8845, 9124)]