12565520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 32408640

約数和(自身を除く): 19843120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 131, 176, 218, 220, 262, 436, 440, 524, 545, 655, 872, 880, 1048, 1090, 1199, 1310, 1441, 1744, 2096, 2180, 2398, 2620, 2882, 4360, 4796, 5240, 5764, 5995, 7205, 8720, 9592, 10480, 11528, 11990, 14279, 14410, 19184, 23056, 23980, 28558, 28820, 47960, 57116, 57640, 71395, 95920, 114232, 115280, 142790, 157069, 228464, 285580, 314138, 571160, 628276, 785345, 1142320, 1256552, 1570690, 2513104, 3141380, 6282760, 12565520]

約数ペア:

[(1, 12565520), (2, 6282760), (4, 3141380), (5, 2513104), (8, 1570690), (10, 1256552), (11, 1142320), (16, 785345), (20, 628276), (22, 571160), (40, 314138), (44, 285580), (55, 228464), (80, 157069), (88, 142790), (109, 115280), (110, 114232), (131, 95920), (176, 71395), (218, 57640), (220, 57116), (262, 47960), (436, 28820), (440, 28558), (524, 23980), (545, 23056), (655, 19184), (872, 14410), (880, 14279), (1048, 11990), (1090, 11528), (1199, 10480), (1310, 9592), (1441, 8720), (1744, 7205), (2096, 5995), (2180, 5764), (2398, 5240), (2620, 4796), (2882, 4360)]