11719840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6659}}^1$

素因数の和:6685

約数の個数: 48

約数和(自身を含む): 30209760

約数和(自身を除く): 18489920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 6659, 13318, 26636, 33295, 53272, 66590, 73249, 106544, 133180, 146498, 213088, 266360, 292996, 366245, 532720, 585992, 732490, 1065440, 1171984, 1464980, 2343968, 2929960, 5859920, 11719840]

約数ペア:

[(1, 11719840), (2, 5859920), (4, 2929960), (5, 2343968), (8, 1464980), (10, 1171984), (11, 1065440), (16, 732490), (20, 585992), (22, 532720), (32, 366245), (40, 292996), (44, 266360), (55, 213088), (80, 146498), (88, 133180), (110, 106544), (160, 73249), (176, 66590), (220, 53272), (352, 33295), (440, 26636), (880, 13318), (1760, 6659)]