82330880

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 199118304

約数和(自身を除く): 116787424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 491, 524, 640, 655, 982, 1048, 1280, 1310, 1964, 2096, 2455, 2620, 3928, 4192, 4910, 5240, 7856, 8384, 9820, 10480, 15712, 16768, 19640, 20960, 31424, 33536, 39280, 41920, 62848, 64321, 78560, 83840, 125696, 128642, 157120, 167680, 257284, 314240, 321605, 514568, 628480, 643210, 1029136, 1286420, 2058272, 2572840, 4116544, 5145680, 8233088, 10291360, 16466176, 20582720, 41165440, 82330880]

約数ペア:

[(1, 82330880), (2, 41165440), (4, 20582720), (5, 16466176), (8, 10291360), (10, 8233088), (16, 5145680), (20, 4116544), (32, 2572840), (40, 2058272), (64, 1286420), (80, 1029136), (128, 643210), (131, 628480), (160, 514568), (256, 321605), (262, 314240), (320, 257284), (491, 167680), (524, 157120), (640, 128642), (655, 125696), (982, 83840), (1048, 78560), (1280, 64321), (1310, 62848), (1964, 41920), (2096, 39280), (2455, 33536), (2620, 31424), (3928, 20960), (4192, 19640), (4910, 16768), (5240, 15712), (7856, 10480), (8384, 9820)]