55711720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81929}}^1$

素因数の和:81957

約数の個数: 32

約数和(自身を含む): 132726600

約数和(自身を除く): 77014880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81929, 163858, 327716, 409645, 655432, 819290, 1392793, 1638580, 2785586, 3277160, 5571172, 6963965, 11142344, 13927930, 27855860, 55711720]

約数ペア:

[(1, 55711720), (2, 27855860), (4, 13927930), (5, 11142344), (8, 6963965), (10, 5571172), (17, 3277160), (20, 2785586), (34, 1638580), (40, 1392793), (68, 819290), (85, 655432), (136, 409645), (170, 327716), (340, 163858), (680, 81929)]