4200820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5451788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 151, 214, 260, 302, 428, 535, 604, 755, 1070, 1391, 1510, 1963, 2140, 2782, 3020, 3926, 5564, 6955, 7852, 9815, 13910, 16157, 19630, 27820, 32314, 39260, 64628, 80785, 161570, 210041, 323140, 420082, 840164, 1050205, 2100410, 4200820]

約数ペア:

[(1, 4200820), (2, 2100410), (4, 1050205), (5, 840164), (10, 420082), (13, 323140), (20, 210041), (26, 161570), (52, 80785), (65, 64628), (107, 39260), (130, 32314), (151, 27820), (214, 19630), (260, 16157), (302, 13910), (428, 9815), (535, 7852), (604, 6955), (755, 5564), (1070, 3926), (1391, 3020), (1510, 2782), (1963, 2140)]