51280160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1109}}^1$

素因数の和:1158

約数の個数: 72

約数和(自身を含む): 128811060

約数和(自身を除く): 77530900

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1109, 1156, 1360, 1445, 2218, 2312, 2720, 2890, 4436, 4624, 5545, 5780, 8872, 9248, 11090, 11560, 17744, 18853, 22180, 23120, 35488, 37706, 44360, 46240, 75412, 88720, 94265, 150824, 177440, 188530, 301648, 320501, 377060, 603296, 641002, 754120, 1282004, 1508240, 1602505, 2564008, 3016480, 3205010, 5128016, 6410020, 10256032, 12820040, 25640080, 51280160]

約数ペア:

[(1, 51280160), (2, 25640080), (4, 12820040), (5, 10256032), (8, 6410020), (10, 5128016), (16, 3205010), (17, 3016480), (20, 2564008), (32, 1602505), (34, 1508240), (40, 1282004), (68, 754120), (80, 641002), (85, 603296), (136, 377060), (160, 320501), (170, 301648), (272, 188530), (289, 177440), (340, 150824), (544, 94265), (578, 88720), (680, 75412), (1109, 46240), (1156, 44360), (1360, 37706), (1445, 35488), (2218, 23120), (2312, 22180), (2720, 18853), (2890, 17744), (4436, 11560), (4624, 11090), (5545, 9248), (5780, 8872)]