1649388633680

素因数分解:

$2^4\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{13921241}}^1$

素因数の和:13922735

約数の個数: 40

約数和(自身を含む): 3837418199784

約数和(自身を除く): 2188029566104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1481, 2962, 5924, 7405, 11848, 14810, 23696, 29620, 59240, 118480, 13921241, 27842482, 55684964, 69606205, 111369928, 139212410, 222739856, 278424820, 556849640, 1113699280, 20617357921, 41234715842, 82469431684, 103086789605, 164938863368, 206173579210, 329877726736, 412347158420, 824694316840, 1649388633680]

約数ペア:

[(1, 1649388633680), (2, 824694316840), (4, 412347158420), (5, 329877726736), (8, 206173579210), (10, 164938863368), (16, 103086789605), (20, 82469431684), (40, 41234715842), (80, 20617357921), (1481, 1113699280), (2962, 556849640), (5924, 278424820), (7405, 222739856), (11848, 139212410), (14810, 111369928), (23696, 69606205), (29620, 55684964), (59240, 27842482), (118480, 13921241)]