25004815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 34551360

約数和(自身を除く): 9546545

約数列:

[1, 5, 11, 29, 55, 61, 145, 257, 305, 319, 671, 1285, 1595, 1769, 2827, 3355, 7453, 8845, 14135, 15677, 19459, 37265, 78385, 81983, 97295, 172447, 409915, 454633, 862235, 2273165, 5000963, 25004815]

約数ペア:

[(1, 25004815), (5, 5000963), (11, 2273165), (29, 862235), (55, 454633), (61, 409915), (145, 172447), (257, 97295), (305, 81983), (319, 78385), (671, 37265), (1285, 19459), (1595, 15677), (1769, 14135), (2827, 8845), (3355, 7453)]