158878640

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6469}}^1$

素因数の和:6789

約数の個数: 40

約数和(自身を含む): 370653360

約数和(自身を除く): 211774720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 6469, 12280, 12938, 24560, 25876, 32345, 51752, 64690, 103504, 129380, 258760, 517520, 1985983, 3971966, 7943932, 9929915, 15887864, 19859830, 31775728, 39719660, 79439320, 158878640]

約数ペア:

[(1, 158878640), (2, 79439320), (4, 39719660), (5, 31775728), (8, 19859830), (10, 15887864), (16, 9929915), (20, 7943932), (40, 3971966), (80, 1985983), (307, 517520), (614, 258760), (1228, 129380), (1535, 103504), (2456, 64690), (3070, 51752), (4912, 32345), (6140, 25876), (6469, 24560), (12280, 12938)]