30959920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9439}}^1$

素因数の和:9493

約数の個数: 40

約数和(自身を含む): 73745280

約数和(自身を除く): 42785360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9439, 18878, 37756, 47195, 75512, 94390, 151024, 188780, 377560, 386999, 755120, 773998, 1547996, 1934995, 3095992, 3869990, 6191984, 7739980, 15479960, 30959920]

約数ペア:

[(1, 30959920), (2, 15479960), (4, 7739980), (5, 6191984), (8, 3869990), (10, 3095992), (16, 1934995), (20, 1547996), (40, 773998), (41, 755120), (80, 386999), (82, 377560), (164, 188780), (205, 151024), (328, 94390), (410, 75512), (656, 47195), (820, 37756), (1640, 18878), (3280, 9439)]