25131040

素因数分解:

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

素因数の和:266

約数の個数: 96

約数和(自身を含む): 65862720

約数和(自身を除く): 40731680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 109, 110, 131, 160, 176, 218, 220, 262, 352, 436, 440, 524, 545, 655, 872, 880, 1048, 1090, 1199, 1310, 1441, 1744, 1760, 2096, 2180, 2398, 2620, 2882, 3488, 4192, 4360, 4796, 5240, 5764, 5995, 7205, 8720, 9592, 10480, 11528, 11990, 14279, 14410, 17440, 19184, 20960, 23056, 23980, 28558, 28820, 38368, 46112, 47960, 57116, 57640, 71395, 95920, 114232, 115280, 142790, 157069, 191840, 228464, 230560, 285580, 314138, 456928, 571160, 628276, 785345, 1142320, 1256552, 1570690, 2284640, 2513104, 3141380, 5026208, 6282760, 12565520, 25131040]

約数ペア:

[(1, 25131040), (2, 12565520), (4, 6282760), (5, 5026208), (8, 3141380), (10, 2513104), (11, 2284640), (16, 1570690), (20, 1256552), (22, 1142320), (32, 785345), (40, 628276), (44, 571160), (55, 456928), (80, 314138), (88, 285580), (109, 230560), (110, 228464), (131, 191840), (160, 157069), (176, 142790), (218, 115280), (220, 114232), (262, 95920), (352, 71395), (436, 57640), (440, 57116), (524, 47960), (545, 46112), (655, 38368), (872, 28820), (880, 28558), (1048, 23980), (1090, 23056), (1199, 20960), (1310, 19184), (1441, 17440), (1744, 14410), (1760, 14279), (2096, 11990), (2180, 11528), (2398, 10480), (2620, 9592), (2882, 8720), (3488, 7205), (4192, 5995), (4360, 5764), (4796, 5240)]