8817640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 22095360

約数和(自身を除く): 13277720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 547, 620, 806, 1094, 1240, 1612, 2015, 2188, 2735, 3224, 4030, 4376, 5470, 7111, 8060, 10940, 14222, 16120, 16957, 21880, 28444, 33914, 35555, 56888, 67828, 71110, 84785, 135656, 142220, 169570, 220441, 284440, 339140, 440882, 678280, 881764, 1102205, 1763528, 2204410, 4408820, 8817640]

約数ペア:

[(1, 8817640), (2, 4408820), (4, 2204410), (5, 1763528), (8, 1102205), (10, 881764), (13, 678280), (20, 440882), (26, 339140), (31, 284440), (40, 220441), (52, 169570), (62, 142220), (65, 135656), (104, 84785), (124, 71110), (130, 67828), (155, 56888), (248, 35555), (260, 33914), (310, 28444), (403, 21880), (520, 16957), (547, 16120), (620, 14222), (806, 10940), (1094, 8060), (1240, 7111), (1612, 5470), (2015, 4376), (2188, 4030), (2735, 3224)]