78950560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37957}}^1$

素因数の和:37985

約数の個数: 48

約数和(自身を含む): 200873736

約数和(自身を除く): 121923176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37957, 75914, 151828, 189785, 303656, 379570, 493441, 607312, 759140, 986882, 1214624, 1518280, 1973764, 2467205, 3036560, 3947528, 4934410, 6073120, 7895056, 9868820, 15790112, 19737640, 39475280, 78950560]

約数ペア:

[(1, 78950560), (2, 39475280), (4, 19737640), (5, 15790112), (8, 9868820), (10, 7895056), (13, 6073120), (16, 4934410), (20, 3947528), (26, 3036560), (32, 2467205), (40, 1973764), (52, 1518280), (65, 1214624), (80, 986882), (104, 759140), (130, 607312), (160, 493441), (208, 379570), (260, 303656), (416, 189785), (520, 151828), (1040, 75914), (2080, 37957)]