220138880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26459}}^1$

素因数の和:26491

約数の個数: 64

約数和(自身を含む): 566773200

約数和(自身を除く): 346634320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 26459, 52918, 105836, 132295, 211672, 264590, 343967, 423344, 529180, 687934, 846688, 1058360, 1375868, 1693376, 1719835, 2116720, 2751736, 3386752, 3439670, 4233440, 5503472, 6879340, 8466880, 11006944, 13758680, 16933760, 22013888, 27517360, 44027776, 55034720, 110069440, 220138880]

約数ペア:

[(1, 220138880), (2, 110069440), (4, 55034720), (5, 44027776), (8, 27517360), (10, 22013888), (13, 16933760), (16, 13758680), (20, 11006944), (26, 8466880), (32, 6879340), (40, 5503472), (52, 4233440), (64, 3439670), (65, 3386752), (80, 2751736), (104, 2116720), (128, 1719835), (130, 1693376), (160, 1375868), (208, 1058360), (260, 846688), (320, 687934), (416, 529180), (520, 423344), (640, 343967), (832, 264590), (1040, 211672), (1664, 132295), (2080, 105836), (4160, 52918), (8320, 26459)]