1242280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 3011400

約数和(自身を除く): 1769120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2389, 4778, 9556, 11945, 19112, 23890, 31057, 47780, 62114, 95560, 124228, 155285, 248456, 310570, 621140, 1242280]

約数ペア:

[(1, 1242280), (2, 621140), (4, 310570), (5, 248456), (8, 155285), (10, 124228), (13, 95560), (20, 62114), (26, 47780), (40, 31057), (52, 23890), (65, 19112), (104, 11945), (130, 9556), (260, 4778), (520, 2389)]