71320856620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{39509}}^1$

素因数の和:39715

約数の個数: 96

約数和(自身を含む): 165596840640

約数和(自身を除く): 94275984020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 131, 212, 260, 262, 265, 524, 530, 655, 689, 1060, 1310, 1378, 1703, 2620, 2756, 3406, 3445, 6812, 6890, 6943, 8515, 13780, 13886, 17030, 27772, 34060, 34715, 39509, 69430, 79018, 90259, 138860, 158036, 180518, 197545, 361036, 395090, 451295, 513617, 790180, 902590, 1027234, 1805180, 2054468, 2093977, 2568085, 4187954, 5136170, 5175679, 8375908, 10272340, 10351358, 10469885, 20702716, 20939770, 25878395, 27221701, 41879540, 51756790, 54443402, 67283827, 103513580, 108886804, 134567654, 136108505, 269135308, 272217010, 274310987, 336419135, 544434020, 548621974, 672838270, 1097243948, 1345676540, 1371554935, 2743109870, 3566042831, 5486219740, 7132085662, 14264171324, 17830214155, 35660428310, 71320856620]

約数ペア:

[(1, 71320856620), (2, 35660428310), (4, 17830214155), (5, 14264171324), (10, 7132085662), (13, 5486219740), (20, 3566042831), (26, 2743109870), (52, 1371554935), (53, 1345676540), (65, 1097243948), (106, 672838270), (130, 548621974), (131, 544434020), (212, 336419135), (260, 274310987), (262, 272217010), (265, 269135308), (524, 136108505), (530, 134567654), (655, 108886804), (689, 103513580), (1060, 67283827), (1310, 54443402), (1378, 51756790), (1703, 41879540), (2620, 27221701), (2756, 25878395), (3406, 20939770), (3445, 20702716), (6812, 10469885), (6890, 10351358), (6943, 10272340), (8515, 8375908), (13780, 5175679), (13886, 5136170), (17030, 4187954), (27772, 2568085), (34060, 2093977), (34715, 2054468), (39509, 1805180), (69430, 1027234), (79018, 902590), (90259, 790180), (138860, 513617), (158036, 451295), (180518, 395090), (197545, 361036)]