2021179760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{3947}}^1$

素因数の和:4170

約数の個数: 80

約数和(自身を含む): 4855376736

約数和(自身を除く): 2834196976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 173, 185, 296, 346, 370, 592, 692, 740, 865, 1384, 1480, 1730, 2768, 2960, 3460, 3947, 6401, 6920, 7894, 12802, 13840, 15788, 19735, 25604, 31576, 32005, 39470, 51208, 63152, 64010, 78940, 102416, 128020, 146039, 157880, 256040, 292078, 315760, 512080, 584156, 682831, 730195, 1168312, 1365662, 1460390, 2336624, 2731324, 2920780, 3414155, 5462648, 5841560, 6828310, 10925296, 11683120, 13656620, 25264747, 27313240, 50529494, 54626480, 101058988, 126323735, 202117976, 252647470, 404235952, 505294940, 1010589880, 2021179760]

約数ペア:

[(1, 2021179760), (2, 1010589880), (4, 505294940), (5, 404235952), (8, 252647470), (10, 202117976), (16, 126323735), (20, 101058988), (37, 54626480), (40, 50529494), (74, 27313240), (80, 25264747), (148, 13656620), (173, 11683120), (185, 10925296), (296, 6828310), (346, 5841560), (370, 5462648), (592, 3414155), (692, 2920780), (740, 2731324), (865, 2336624), (1384, 1460390), (1480, 1365662), (1730, 1168312), (2768, 730195), (2960, 682831), (3460, 584156), (3947, 512080), (6401, 315760), (6920, 292078), (7894, 256040), (12802, 157880), (13840, 146039), (15788, 128020), (19735, 102416), (25604, 78940), (31576, 64010), (32005, 63152), (39470, 51208)]