1403440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 3334608

約数和(自身を除く): 1931168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 331, 424, 530, 662, 848, 1060, 1324, 1655, 2120, 2648, 3310, 4240, 5296, 6620, 13240, 17543, 26480, 35086, 70172, 87715, 140344, 175430, 280688, 350860, 701720, 1403440]

約数ペア:

[(1, 1403440), (2, 701720), (4, 350860), (5, 280688), (8, 175430), (10, 140344), (16, 87715), (20, 70172), (40, 35086), (53, 26480), (80, 17543), (106, 13240), (212, 6620), (265, 5296), (331, 4240), (424, 3310), (530, 2648), (662, 2120), (848, 1655), (1060, 1324)]