31251610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 34066790

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 79, 85, 130, 158, 170, 179, 221, 358, 395, 442, 790, 895, 1027, 1105, 1343, 1790, 2054, 2210, 2327, 2686, 3043, 4654, 5135, 6086, 6715, 10270, 11635, 13430, 14141, 15215, 17459, 23270, 28282, 30430, 34918, 39559, 70705, 79118, 87295, 141410, 174590, 183833, 197795, 240397, 367666, 395590, 480794, 919165, 1201985, 1838330, 2403970, 3125161, 6250322, 15625805, 31251610]

約数ペア:

[(1, 31251610), (2, 15625805), (5, 6250322), (10, 3125161), (13, 2403970), (17, 1838330), (26, 1201985), (34, 919165), (65, 480794), (79, 395590), (85, 367666), (130, 240397), (158, 197795), (170, 183833), (179, 174590), (221, 141410), (358, 87295), (395, 79118), (442, 70705), (790, 39559), (895, 34918), (1027, 30430), (1105, 28282), (1343, 23270), (1790, 17459), (2054, 15215), (2210, 14141), (2327, 13430), (2686, 11635), (3043, 10270), (4654, 6715), (5135, 6086)]