31942820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17551}}^1$

素因数の和:17580

約数の個数: 48

約数和(自身を含む): 82564608

約数和(自身を除く): 50621788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17551, 35102, 70204, 87755, 122857, 175510, 228163, 245714, 351020, 456326, 491428, 614285, 912652, 1140815, 1228570, 1597141, 2281630, 2457140, 3194282, 4563260, 6388564, 7985705, 15971410, 31942820]

約数ペア:

[(1, 31942820), (2, 15971410), (4, 7985705), (5, 6388564), (7, 4563260), (10, 3194282), (13, 2457140), (14, 2281630), (20, 1597141), (26, 1228570), (28, 1140815), (35, 912652), (52, 614285), (65, 491428), (70, 456326), (91, 351020), (130, 245714), (140, 228163), (182, 175510), (260, 122857), (364, 87755), (455, 70204), (910, 35102), (1820, 17551)]