16538320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3389}}^1$

素因数の和:3463

約数の個数: 40

約数和(自身を含む): 39093480

約数和(自身を除く): 22555160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3389, 4880, 6778, 13556, 16945, 27112, 33890, 54224, 67780, 135560, 206729, 271120, 413458, 826916, 1033645, 1653832, 2067290, 3307664, 4134580, 8269160, 16538320]

約数ペア:

[(1, 16538320), (2, 8269160), (4, 4134580), (5, 3307664), (8, 2067290), (10, 1653832), (16, 1033645), (20, 826916), (40, 413458), (61, 271120), (80, 206729), (122, 135560), (244, 67780), (305, 54224), (488, 33890), (610, 27112), (976, 16945), (1220, 13556), (2440, 6778), (3389, 4880)]