78944860

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12611}}^1$

素因数の和:12933

約数の個数: 24

約数和(自身を含む): 166327056

約数和(自身を除く): 87382196

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 12611, 25222, 50444, 63055, 126110, 252220, 3947243, 7894486, 15788972, 19736215, 39472430, 78944860]

約数ペア:

[(1, 78944860), (2, 39472430), (4, 19736215), (5, 15788972), (10, 7894486), (20, 3947243), (313, 252220), (626, 126110), (1252, 63055), (1565, 50444), (3130, 25222), (6260, 12611)]