8052820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 17635968

約数和(自身を除く): 9583148

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 107, 142, 212, 214, 265, 284, 355, 428, 530, 535, 710, 1060, 1070, 1420, 2140, 3763, 5671, 7526, 7597, 11342, 15052, 15194, 18815, 22684, 28355, 30388, 37630, 37985, 56710, 75260, 75970, 113420, 151940, 402641, 805282, 1610564, 2013205, 4026410, 8052820]

約数ペア:

[(1, 8052820), (2, 4026410), (4, 2013205), (5, 1610564), (10, 805282), (20, 402641), (53, 151940), (71, 113420), (106, 75970), (107, 75260), (142, 56710), (212, 37985), (214, 37630), (265, 30388), (284, 28355), (355, 22684), (428, 18815), (530, 15194), (535, 15052), (710, 11342), (1060, 7597), (1070, 7526), (1420, 5671), (2140, 3763)]