16382540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 19179700

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 139, 142, 166, 278, 284, 332, 355, 415, 556, 695, 710, 830, 1390, 1420, 1660, 2780, 5893, 9869, 11537, 11786, 19738, 23074, 23572, 29465, 39476, 46148, 49345, 57685, 58930, 98690, 115370, 117860, 197380, 230740, 819127, 1638254, 3276508, 4095635, 8191270, 16382540]

約数ペア:

[(1, 16382540), (2, 8191270), (4, 4095635), (5, 3276508), (10, 1638254), (20, 819127), (71, 230740), (83, 197380), (139, 117860), (142, 115370), (166, 98690), (278, 58930), (284, 57685), (332, 49345), (355, 46148), (415, 39476), (556, 29465), (695, 23572), (710, 23074), (830, 19738), (1390, 11786), (1420, 11537), (1660, 9869), (2780, 5893)]