27525640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 65286000

約数和(自身を除く): 37760360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 389, 488, 580, 610, 778, 1160, 1220, 1556, 1769, 1945, 2440, 3112, 3538, 3890, 7076, 7780, 8845, 11281, 14152, 15560, 17690, 22562, 23729, 35380, 45124, 47458, 56405, 70760, 90248, 94916, 112810, 118645, 189832, 225620, 237290, 451240, 474580, 688141, 949160, 1376282, 2752564, 3440705, 5505128, 6881410, 13762820, 27525640]

約数ペア:

[(1, 27525640), (2, 13762820), (4, 6881410), (5, 5505128), (8, 3440705), (10, 2752564), (20, 1376282), (29, 949160), (40, 688141), (58, 474580), (61, 451240), (116, 237290), (122, 225620), (145, 189832), (232, 118645), (244, 112810), (290, 94916), (305, 90248), (389, 70760), (488, 56405), (580, 47458), (610, 45124), (778, 35380), (1160, 23729), (1220, 22562), (1556, 17690), (1769, 15560), (1945, 14152), (2440, 11281), (3112, 8845), (3538, 7780), (3890, 7076)]