2195154560

素因数分解:

$2^7\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5189}}^1$

素因数の和:5869

約数の個数: 64

約数和(自身を含む): 5256743400

約数和(自身を除く): 3061588840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 661, 1322, 2644, 3305, 5189, 5288, 6610, 10378, 10576, 13220, 20756, 21152, 25945, 26440, 41512, 42304, 51890, 52880, 83024, 84608, 103780, 105760, 166048, 207560, 211520, 332096, 415120, 423040, 664192, 830240, 1660480, 3320960, 3429929, 6859858, 13719716, 17149645, 27439432, 34299290, 54878864, 68598580, 109757728, 137197160, 219515456, 274394320, 439030912, 548788640, 1097577280, 2195154560]

約数ペア:

[(1, 2195154560), (2, 1097577280), (4, 548788640), (5, 439030912), (8, 274394320), (10, 219515456), (16, 137197160), (20, 109757728), (32, 68598580), (40, 54878864), (64, 34299290), (80, 27439432), (128, 17149645), (160, 13719716), (320, 6859858), (640, 3429929), (661, 3320960), (1322, 1660480), (2644, 830240), (3305, 664192), (5189, 423040), (5288, 415120), (6610, 332096), (10378, 211520), (10576, 207560), (13220, 166048), (20756, 105760), (21152, 103780), (25945, 84608), (26440, 83024), (41512, 52880), (42304, 51890)]