80206620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102829}}^1$

素因数の和:102854

約数の個数: 48

約数和(自身を含む): 241856160

約数和(自身を除く): 161649540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 102829, 205658, 308487, 411316, 514145, 616974, 1028290, 1233948, 1336777, 1542435, 2056580, 2673554, 3084870, 4010331, 5347108, 6169740, 6683885, 8020662, 13367770, 16041324, 20051655, 26735540, 40103310, 80206620]

約数ペア:

[(1, 80206620), (2, 40103310), (3, 26735540), (4, 20051655), (5, 16041324), (6, 13367770), (10, 8020662), (12, 6683885), (13, 6169740), (15, 5347108), (20, 4010331), (26, 3084870), (30, 2673554), (39, 2056580), (52, 1542435), (60, 1336777), (65, 1233948), (78, 1028290), (130, 616974), (156, 514145), (195, 411316), (260, 308487), (390, 205658), (780, 102829)]