25507310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 52488000

約数和(自身を除く): 26980690

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 53, 85, 95, 106, 149, 170, 190, 265, 298, 323, 530, 646, 745, 901, 1007, 1490, 1615, 1802, 2014, 2533, 2831, 3230, 4505, 5035, 5066, 5662, 7897, 9010, 10070, 12665, 14155, 15794, 17119, 25330, 28310, 34238, 39485, 48127, 78970, 85595, 96254, 134249, 150043, 171190, 240635, 268498, 300086, 481270, 671245, 750215, 1342490, 1500430, 2550731, 5101462, 12753655, 25507310]

約数ペア:

[(1, 25507310), (2, 12753655), (5, 5101462), (10, 2550731), (17, 1500430), (19, 1342490), (34, 750215), (38, 671245), (53, 481270), (85, 300086), (95, 268498), (106, 240635), (149, 171190), (170, 150043), (190, 134249), (265, 96254), (298, 85595), (323, 78970), (530, 48127), (646, 39485), (745, 34238), (901, 28310), (1007, 25330), (1490, 17119), (1615, 15794), (1802, 14155), (2014, 12665), (2533, 10070), (2831, 9010), (3230, 7897), (4505, 5662), (5035, 5066)]