42640345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 58475520

約数和(自身を除く): 15835175

約数列:

[1, 5, 11, 31, 55, 89, 155, 281, 341, 445, 979, 1405, 1705, 2759, 3091, 4895, 8711, 13795, 15455, 25009, 30349, 43555, 95821, 125045, 151745, 275099, 479105, 775279, 1375495, 3876395, 8528069, 42640345]

約数ペア:

[(1, 42640345), (5, 8528069), (11, 3876395), (31, 1375495), (55, 775279), (89, 479105), (155, 275099), (281, 151745), (341, 125045), (445, 95821), (979, 43555), (1405, 30349), (1705, 25009), (2759, 15455), (3091, 13795), (4895, 8711)]