16025775280

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{640007}}^1$

素因数の和:640333

約数の個数: 40

約数和(自身を含む): 37379027232

約数和(自身を除く): 21353251952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 12520, 25040, 640007, 1280014, 2560028, 3200035, 5120056, 6400070, 10240112, 12800140, 25600280, 51200560, 200322191, 400644382, 801288764, 1001610955, 1602577528, 2003221910, 3205155056, 4006443820, 8012887640, 16025775280]

約数ペア:

[(1, 16025775280), (2, 8012887640), (4, 4006443820), (5, 3205155056), (8, 2003221910), (10, 1602577528), (16, 1001610955), (20, 801288764), (40, 400644382), (80, 200322191), (313, 51200560), (626, 25600280), (1252, 12800140), (1565, 10240112), (2504, 6400070), (3130, 5120056), (5008, 3200035), (6260, 2560028), (12520, 1280014), (25040, 640007)]