91720040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 219358800

約数和(自身を除く): 127638760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2137, 2146, 4274, 4292, 5365, 8548, 8584, 10685, 10730, 17096, 21370, 21460, 42740, 42920, 61973, 79069, 85480, 123946, 158138, 247892, 309865, 316276, 395345, 495784, 619730, 632552, 790690, 1239460, 1581380, 2293001, 2478920, 3162760, 4586002, 9172004, 11465005, 18344008, 22930010, 45860020, 91720040]

約数ペア:

[(1, 91720040), (2, 45860020), (4, 22930010), (5, 18344008), (8, 11465005), (10, 9172004), (20, 4586002), (29, 3162760), (37, 2478920), (40, 2293001), (58, 1581380), (74, 1239460), (116, 790690), (145, 632552), (148, 619730), (185, 495784), (232, 395345), (290, 316276), (296, 309865), (370, 247892), (580, 158138), (740, 123946), (1073, 85480), (1160, 79069), (1480, 61973), (2137, 42920), (2146, 42740), (4274, 21460), (4292, 21370), (5365, 17096), (8548, 10730), (8584, 10685)]