78448280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23629}}^1$

素因数の和:23723

約数の個数: 32

約数和(自身を含む): 178642800

約数和(自身を除く): 100194520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 23629, 47258, 94516, 118145, 189032, 236290, 472580, 945160, 1961207, 3922414, 7844828, 9806035, 15689656, 19612070, 39224140, 78448280]

約数ペア:

[(1, 78448280), (2, 39224140), (4, 19612070), (5, 15689656), (8, 9806035), (10, 7844828), (20, 3922414), (40, 1961207), (83, 945160), (166, 472580), (332, 236290), (415, 189032), (664, 118145), (830, 94516), (1660, 47258), (3320, 23629)]