121399840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6961}}^1$

素因数の和:7085

約数の個数: 48

約数和(自身を含む): 289479960

約数和(自身を除く): 168080120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 6961, 8720, 13922, 17440, 27844, 34805, 55688, 69610, 111376, 139220, 222752, 278440, 556880, 758749, 1113760, 1517498, 3034996, 3793745, 6069992, 7587490, 12139984, 15174980, 24279968, 30349960, 60699920, 121399840]

約数ペア:

[(1, 121399840), (2, 60699920), (4, 30349960), (5, 24279968), (8, 15174980), (10, 12139984), (16, 7587490), (20, 6069992), (32, 3793745), (40, 3034996), (80, 1517498), (109, 1113760), (160, 758749), (218, 556880), (436, 278440), (545, 222752), (872, 139220), (1090, 111376), (1744, 69610), (2180, 55688), (3488, 34805), (4360, 27844), (6961, 17440), (8720, 13922)]