820827430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{36017}}^1$

素因数の和:36120

約数の個数: 32

約数和(自身を含む): 1540417824

約数和(自身を除く): 719590394

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 2279, 4558, 11395, 22790, 36017, 72034, 180085, 360170, 1548731, 1908901, 3097462, 3817802, 7743655, 9544505, 15487310, 19089010, 82082743, 164165486, 410413715, 820827430]

約数ペア:

[(1, 820827430), (2, 410413715), (5, 164165486), (10, 82082743), (43, 19089010), (53, 15487310), (86, 9544505), (106, 7743655), (215, 3817802), (265, 3097462), (430, 1908901), (530, 1548731), (2279, 360170), (4558, 180085), (11395, 72034), (22790, 36017)]