7647380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 17592960

約数和(自身を除く): 9945580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 439, 670, 871, 878, 1340, 1742, 1756, 2195, 3484, 4355, 4390, 5707, 8710, 8780, 11414, 17420, 22828, 28535, 29413, 57070, 58826, 114140, 117652, 147065, 294130, 382369, 588260, 764738, 1529476, 1911845, 3823690, 7647380]

約数ペア:

[(1, 7647380), (2, 3823690), (4, 1911845), (5, 1529476), (10, 764738), (13, 588260), (20, 382369), (26, 294130), (52, 147065), (65, 117652), (67, 114140), (130, 58826), (134, 57070), (260, 29413), (268, 28535), (335, 22828), (439, 17420), (670, 11414), (871, 8780), (878, 8710), (1340, 5707), (1742, 4390), (1756, 4355), (2195, 3484)]