61266680

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4339}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 138272400

約数和(自身を除く): 77005720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 4339, 7060, 8678, 14120, 17356, 21695, 34712, 43390, 86780, 173560, 1531667, 3063334, 6126668, 7658335, 12253336, 15316670, 30633340, 61266680]

約数ペア:

[(1, 61266680), (2, 30633340), (4, 15316670), (5, 12253336), (8, 7658335), (10, 6126668), (20, 3063334), (40, 1531667), (353, 173560), (706, 86780), (1412, 43390), (1765, 34712), (2824, 21695), (3530, 17356), (4339, 14120), (7060, 8678)]