51206020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 110214720

約数和(自身を除く): 59008700

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 166, 218, 283, 332, 415, 436, 545, 566, 830, 1090, 1132, 1415, 1660, 2180, 2830, 5660, 9047, 18094, 23489, 30847, 36188, 45235, 46978, 61694, 90470, 93956, 117445, 123388, 154235, 180940, 234890, 308470, 469780, 616940, 2560301, 5120602, 10241204, 12801505, 25603010, 51206020]

約数ペア:

[(1, 51206020), (2, 25603010), (4, 12801505), (5, 10241204), (10, 5120602), (20, 2560301), (83, 616940), (109, 469780), (166, 308470), (218, 234890), (283, 180940), (332, 154235), (415, 123388), (436, 117445), (545, 93956), (566, 90470), (830, 61694), (1090, 46978), (1132, 45235), (1415, 36188), (1660, 30847), (2180, 23489), (2830, 18094), (5660, 9047)]