16761320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^2$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 40187340

約数和(自身を除く): 23426020

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 314, 340, 628, 680, 785, 1256, 1570, 2669, 3140, 5338, 6280, 10676, 13345, 21352, 24649, 26690, 49298, 53380, 98596, 106760, 123245, 197192, 246490, 419033, 492980, 838066, 985960, 1676132, 2095165, 3352264, 4190330, 8380660, 16761320]

約数ペア:

[(1, 16761320), (2, 8380660), (4, 4190330), (5, 3352264), (8, 2095165), (10, 1676132), (17, 985960), (20, 838066), (34, 492980), (40, 419033), (68, 246490), (85, 197192), (136, 123245), (157, 106760), (170, 98596), (314, 53380), (340, 49298), (628, 26690), (680, 24649), (785, 21352), (1256, 13345), (1570, 10676), (2669, 6280), (3140, 5338)]