51312820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1307}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 116903808

約数和(自身を除く): 65590988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1307, 1510, 1963, 2614, 3020, 3926, 5228, 6535, 7852, 9815, 13070, 16991, 19630, 26140, 33982, 39260, 67964, 84955, 169910, 197357, 339820, 394714, 789428, 986785, 1973570, 2565641, 3947140, 5131282, 10262564, 12828205, 25656410, 51312820]

約数ペア:

[(1, 51312820), (2, 25656410), (4, 12828205), (5, 10262564), (10, 5131282), (13, 3947140), (20, 2565641), (26, 1973570), (52, 986785), (65, 789428), (130, 394714), (151, 339820), (260, 197357), (302, 169910), (604, 84955), (755, 67964), (1307, 39260), (1510, 33982), (1963, 26140), (2614, 19630), (3020, 16991), (3926, 13070), (5228, 9815), (6535, 7852)]