68926780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{751}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 156530304

約数和(自身を除く): 87603524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 706, 751, 1412, 1502, 1765, 3004, 3530, 3755, 4589, 7060, 7510, 9178, 9763, 15020, 18356, 19526, 22945, 39052, 45890, 48815, 91780, 97630, 195260, 265103, 530206, 1060412, 1325515, 2651030, 3446339, 5302060, 6892678, 13785356, 17231695, 34463390, 68926780]

約数ペア:

[(1, 68926780), (2, 34463390), (4, 17231695), (5, 13785356), (10, 6892678), (13, 5302060), (20, 3446339), (26, 2651030), (52, 1325515), (65, 1060412), (130, 530206), (260, 265103), (353, 195260), (706, 97630), (751, 91780), (1412, 48815), (1502, 45890), (1765, 39052), (3004, 22945), (3530, 19526), (3755, 18356), (4589, 15020), (7060, 9763), (7510, 9178)]