68452280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131639}}^1$

素因数の和:131663

約数の個数: 32

約数和(自身を含む): 165866400

約数和(自身を除く): 97414120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131639, 263278, 526556, 658195, 1053112, 1316390, 1711307, 2632780, 3422614, 5265560, 6845228, 8556535, 13690456, 17113070, 34226140, 68452280]

約数ペア:

[(1, 68452280), (2, 34226140), (4, 17113070), (5, 13690456), (8, 8556535), (10, 6845228), (13, 5265560), (20, 3422614), (26, 2632780), (40, 1711307), (52, 1316390), (65, 1053112), (104, 658195), (130, 526556), (260, 263278), (520, 131639)]