633567740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{1951}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 1434720000

約数和(自身を除く): 801152260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1249, 1951, 2498, 3902, 4996, 6245, 7804, 9755, 12490, 16237, 19510, 24980, 25363, 32474, 39020, 50726, 64948, 81185, 101452, 126815, 162370, 253630, 324740, 507260, 2436799, 4873598, 9747196, 12183995, 24367990, 31678387, 48735980, 63356774, 126713548, 158391935, 316783870, 633567740]

約数ペア:

[(1, 633567740), (2, 316783870), (4, 158391935), (5, 126713548), (10, 63356774), (13, 48735980), (20, 31678387), (26, 24367990), (52, 12183995), (65, 9747196), (130, 4873598), (260, 2436799), (1249, 507260), (1951, 324740), (2498, 253630), (3902, 162370), (4996, 126815), (6245, 101452), (7804, 81185), (9755, 64948), (12490, 50726), (16237, 39020), (19510, 32474), (24980, 25363)]