105679960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{64439}}^1$

素因数の和:64491

約数の個数: 32

約数和(自身を含む): 243583200

約数和(自身を除く): 137903240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 64439, 128878, 257756, 322195, 515512, 644390, 1288780, 2577560, 2641999, 5283998, 10567996, 13209995, 21135992, 26419990, 52839980, 105679960]

約数ペア:

[(1, 105679960), (2, 52839980), (4, 26419990), (5, 21135992), (8, 13209995), (10, 10567996), (20, 5283998), (40, 2641999), (41, 2577560), (82, 1288780), (164, 644390), (205, 515512), (328, 322195), (410, 257756), (820, 128878), (1640, 64439)]